disclaimer: tags/genres grabbed from aniDB and/or ANN. I haven't watched the anime myself yet.
comedy action romance sci-fi school life drama fantasy adventure ecchi short episodes sequel
Irodorimidori
At Maigahara Music College Affiliate School Maigahara Senior High (abbreviated as MaiMai) that gathers the most promising musical talents, there’s a rumor circulating among students. "If you give an amazing performance at the school festival, you get special extra credit (or so they say)." Serina’s grades are not very good, so she immediately believes the rumor and decides to form a band.
music, [short 5min]
Leadale no Daichi nite/In the Land of Leadale
After a horrific accident put her on life support, the last vestige of freedom Kagami Keina had was in the VRMMORPG World of Leadale. When she wakes up in the body of her game avatar, though, Keina - now Cayna - finds that the worries of her old life appear to be a thing of the past, but somehow this new land doesn’t seem to be quite the Leadale she remembers...
fantasi, comedy, isekai
Hakozume - Kouban Joshi no Gyakushuu/Police in a Pod
Female police officer Kawai had enough of a career she wasn’t even that into and was about to hand in her resignation, when the unthinkable happened—she met the new, female director of her station! And after spending a little time with this gorgeous role model, Kawai realizes that maybe she isn’t quite done being an officer after all.
comedy, slice of life
Teikou Penguin
The story centers on a penguin who works in an abusive company and gripes about the difficulties of workplace life. The title is a play on the "koutei penguin," the Japanese name for the emperor penguin.
[short 5min]
Orient
At age 10, best friends Musashi and Kojirou sat in excited silence as Kojirou’s father spun tales of evil demons who preyed on the innocent, and the warriors who defeated them. Practicing swordplay, the two swear an oath to become the strongest in the world, but as they grow up, Kojirou turns cynical, and Musashi comes to the realization that he can’t overturn 150 years of demon rule on his own. He’s being called a prodigy with a pickaxe, and he’s almost ready to settle into a life of labor. Yet he can’t shake the feeling that he is still has a responsibility to act... and soon, the injustices of his world will force his hand...
action, fantasy, violence
Tokyo 24-ku/Tokyo 24th Ward
Enter the 24th Ward, a man-made island inside Tokyo Bay. Three of its inhabitants: Shuuta, Ran, and Kouki, have been best friends since childhood, but after a deadly incident, everything changed. A year later, reunited for the first time, they receive a mysterious phone call. On the other line is a familiar voice—from a friend who’s supposed to be dead. Together, they’ll have to save their home.
sci-fi
Shuumatsu no Harem/World's End Harem
The Man-Killer Virus: a lethal disease that has eradicated 99.9% of the world’s male population. Mizuhara Reito has been in cryogenic sleep for the past five years, leaving behind Tachibana Erisa, the girl of his dreams. When Reito awakens from the deep freeze, he emerges into a sex-crazed new world where he himself is the planet’s most precious resource. Reito and four other male studs are given lives of luxury and one simple mission: repopulate the world by impregnating as many women as possible! All Reito wants, however, is to find his beloved Erisa who went missing three years ago. Can Reito resist temptation and find his one true love?
sci-fi, ecchi
Slow Loop
Hiyori is a girl who enjoys fly fishing by the beach, an activity passed down to her by her late father. On one typical day at the beach, she happens to meet Koharu, who happens to be her new stepsister from her mother’s new marriage.
sports, slice of life
Dolls' Frontline/Girls' Frontline
After the third world war, nations devastated by biological warfare no longer have the ability to protect the wastelands, so the defense of these territories is left to private military companies like Griffin & Kryuger, whose android soldiers or "tactical dolls" are tasked with fighting the rogue android army of Sangvis Ferri. Now M4A1, the indecisive but potentially capable leader of the elite "Anti-Rain" team must protect her comrades in a series of operations to try and regain the upper hand against Sangvis Ferri.
action, drama, sci-fi
Cue!
The brand-new voice actor office "AiRBLUE" has no track record or experience. Aspiring voice actors with rich individuality are signed on to the office. They do their best to achieve their dreams, but it’s a tough world out there. No matter how much they practice, not everyone will pass the audition.
music, idol
Shikkakumon no Saikyou Kenja/The Strongest Sage with the Weakest Crest
His strength limited by the magical crest with which he was born, Mathias, the world’s most powerful sage, decides reincarnation is necessary to become the strongest of all. Upon his rebirth as a young boy, Mathias is thrilled to discover he’s been born with the optimal crest for magical combat on his first try! Unfortunately, the world he’s been born into has abysmally poor standards when it comes to magic, and everyone thinks he’s still marked for failure! Now it’s up to Mathias to prove everyone wrong...world’s strongest sage-style!
action, fantasy, isekai
Ninjala
The year is 20XX. The ninja, who once forged the history of Japan, were scattered across the country during the Meiji Restoration. As these ninja mingled with the other clans, their bloodline thinned, and they gradually faded from sight. The descendants of these ninja clans, seeking to preserve their heritage, formed the WNA (World Ninja Association) in the hope of carrying on their legacy. And so it was that the WNA succeeded in developing Ninja-Gum, an art which could summon forth the strength of the Shinobi. And yet creating the most powerful Ninja-Gum requires the strongest of ninja DNA. So it was that the Ninjala Tournament was held, that the mightiest of all ninjas could be found...
action, [for kids]
Sono Bisque Doll wa Koi o Suru/My Dress-Up Darling
Traumatized by a childhood incident with a friend who took exception to his love of traditional dolls, doll-artisan hopeful Gojou Wakana passes his days as a loner, finding solace in the home ec room at his high school. To Wakana, people like beautiful Kitagawa Marin, a trendy girl who’s always surrounded by a throng of friends, is practically an alien from another world. But when cheerful Marin--never one to be shy--spots Wakana sewing away one day after school, she barges in with the aim of roping her quiet classmate into her secret hobby: cosplay! Will Wakana’s wounded heart be able to handle the invasion from this sexy alien?!
comedy, romance, slice of life
Akebi-chan no Sailor Fuku/Akebi's Sailor Uniform
Roubai Private Academy is a prestigious girls’ middle school in the country. For Akebi Komichi, donning this school’s sailor uniform is a dream come true. Her middle school dream life is finally beginning. Verdant open countryside vistas. The slowly flowing time of youth.
slice of life
Kaijin Kaihatsubu no Kuroitsu-san/Miss Kuroitsu from the Monster Development Department
Kuroitsu is an assistant researcher in the superhuman research & development department of Agastya, a villainous secret organization that battles with heroes who try to save the world. Kuroitsu lives a busy life in Agastya, caught between the absurd requests of her bosses; making presentations; implementing new features into superhumans; and getting results within the allotted time, budget, and spec requests; all without vacation.
comedy, fantasy
Sabiiro no Armor - Reimei/Rusted Armors
The era is a turbulent Warring States period in Hinomoto. Kinokuni, the unexplored region of the mountains and the sea. In the depths of this deep forest, there is a group using "Yatagarasu" as their flag symbol and using guns as weapons. Their name is "Saikashu". It is "Magoichi" who arrived from a foreign country that inherited the name as the head of Saikashu. On the other hand, "Saburo" quickly senses the signs of aggression from the European powers and struggles to protect Hinomoto. The fate of the two who would not meet originally will be crossed by the fight against the invaders who came from a foreign country!
action, historical, samurai
Bara Ou no Souretsu/Requiem of the Rose King
As the Kingdom of England is torn between the House of York and the House of Lancaster—each claiming their leader to be the rightful king—young Richard is fighting a battle within himself. Despised by his mother, adored by his father, and alienated from most others, he grapples with frightful spirits haunting him, unsteady and unintentional alliances with his enemies, and his own passion for a throne.
action, drama, historical, supernatural
Futsal Boys!!!!!
It has been more than 10 years since futsal became a worldwide boom. Many star players were born in Japan, and everyone from children to adults have been enthusiastic about the sports. When watching the final of the U-18 World Cup, Yamato Haru is attracted by the play of Tennouji Tokinari, one of the players to represent Japan, and starts playing Futsal with a wish to become a player like him. He meets a group of friends at the Koyo Academy’s Futsal club that he joins, then starts playing to achieve his dream.
sports
Sasaki to Miyano
Miyano spends his days peacefully reading Boys’ Love comics and worrying about how girly his face is-until a chance encounter leads to a scuffle with his senior Sasaki. Intrigued by his feisty junior Miyano, delinquent Sasaki uses every opportunity he can to get closer...
slice of life, shounen-ai
Tribe Nine
The story takes place in fictional 23 wards in Tokyo where outlaw groups existing in each ward use a dueling method called "Xtream baseball", based on baseball, fight each other staking their prestige on the line.
sports
Ouji no Honmei wa Akuyaku Reijou/Game World Reincarnation
"You’re my fiancé, so it’s only natural that we do this tonight." He kisses me deeply and devoures my whole body... My first sweet kiss on my first night of reincarnation. Office worker dies from overworking and gets reincarnated as the villain in her favorite otome game. Will she be able to keep her fiance or will she lose him to the protagonist?
[ecchi TV ver - H web ver], [short 6min]
On Air Dekinai!
Set in 2014, the story follows the adventures of Mafuneko, a newly minted assistant director who joins the TV production department at Tokyo Hajikko Television, only to discover that the glamorous and glitzy life of working behind-the-scenes making TV shows involves strange and inexplicable tasks such as "gathering 300 acorns" and "making a mosaic out of the images reflected in the camera lens". Despite being surrounded by chaos, set-backs, and weirdos, Mafuneko struggles to become a fully-fledged TV producer.
comedy, [short 6min]
Sabikui Bisco/Rust-Eater Bisco
Akaboshi Bisco is a hotheaded "Mushroom Guardian" who runs through the Rusting Winds, which rusts all it touch and brings death to humans. In order to save his master, he embarks on a journey to find the "Rust-eater", a mushroom that is a cure-all to the rust. Together with the beautiful young man, Milo as his partner, Bisco goes on an adventure filled with ups and down.
action, adventure, fantasy, post-apocalyptic
Gensou Sangokushi - Tengen Reishinki/Fantasia Sango - Realm of Legends
The story is set in ancient China during the Three Kingdoms era, when various powerful warlords began manuevering to conquer the known realms. After it was wiped out in unforeseen circumstances, the 6th Unit has been reassembled with members from diverse, troubled pasts: the leader and seal practitioner Ouki, the spirit purifier Shunkyou, Teiken, and the demon slayer Shourei.
fantasy, historical
Tensai Ouji no Akaji Kokka Saiseijutsu/The Genius Prince's Guide to Raising a Nation Out of Debt
It ain’t easy being a genius... Prince Wein is ready to commit treason. And who can blame him? Faced with the impossible task of ruling his pathetic little kingdom, this poor guy just can’t catch a break! But with his brilliant idea of auctioning off his country, this lazy prince should be able to retire once and for all. Or that was the plan...until his treasonous schemes lead to disastrous consequences-namely, accidental victories and the favor of his people!
comedy, fantasy
Ohiru no Shocker-san
Centers on the everyday struggles of the lackeys of Shocker, the villain organization in the original Kamen Rider series.
comedy, [short 1min]
Fantasy Bishoujo Juniku Ojisan to/Life with an Ordinary Guy Who Reincarnated into a Total Fantasy Knockout
The story follows Tachibana Hinata, an average 32 year old office worker, and his handsome childhood friend, Jinguuji Tsukasa. Hinata is so unpopular with women that he jokingly laments that he wishes he could reincarnate as a beautiful girl, but his wish is accidentally granted when he and Tsukasa are summoned to a magical fantasy world and tasked with defeating the Demon King by the Goddess of Love and Beauty. Can Hinata conquer the Demon King and get his original body back before he and his best friend fall for each other?
fantasy, isekai
Kenja no Deshi wo Nanoru Kenja/She Professed Herself Pupil of the Wise Man
Sakimori Kagami is a young man who’s spent four years perfecting his avatar in the online VRMMORPG Arch Earth Online. Going by the name Dunbalf, he’s known across the land of this virtual world. But one night before bed, Kagami uses an in-game vanity case that’s about to expire—opting to create his ideal version of a female Dunbalf avatar for fun. Waking up, he’s surprised to find that he’s now in the body of the avatar he created the night before, and he’ll have to work his way from the bottom up! So he’s a young dude, playing an old dude, who is now playing a young girl—who is still that old dude. Which brings us to Mira: Mira is described as a beautiful summoner who identifies herself as Dunbalf’s pupil. And if you’ve been keeping up, you’ll remember that she is Dunbalf, which means her abilities are the same as his. Despite her youthful appearance, she speaks like an old man.
fantasy, isekai
Koroshi Ai/Love of Kill
Two assassins face off at a certain "workplace." The cool bounty hunter Chateau and the mysterious and powerful Ryang-Ha. Chateau and Ryang-Ha become enemies after this fight—at least, they should have, but for some reason Ryang-Ha takes a liking to Chateau and begins following her around. Little by little, Chateau develops a cooperative partnership with Ryang-Ha, which gets her caught up in the struggle against the organizations hunting him down. Furthermore, that battle is related to her past as well. Why did Ryang-Ha approach Chateau? What is Chateau’s secret past? The strange gears of fate begin to move.
action, romance
Baby-Hamitang
The episodes will present topics from the list of 17 Sustainable Development Goals (SDG) such as global warming, food waste, and gender equality, in an easy-to-understand manner. Baby Hamitang will then solve the issues.
[for kids], [short 4min]
Atasha Kawajiri Kodama Da yo - Dangerous Lifehacker no Tadareta Seikatsu/I'm Kodama Kawashiri
The story depicts the lazy, unhealthy daily life of Kawajiri, who loves alcohol and anything greasy, salty, or sweet.
comedy, slice of life
Ryman's Club
The story centers on Shiratori Mikoto, a childhood prodigy at badminton, but who never recovered from a major loss during a high school competition. Now, he works in the sales department of the Sunlight Beverage company, playing badminton on the side.
sports, [after 1st eps]
Saiyuuki Reload Zeroin

[sequel]
Karakai Jouzu no Takagi-san 3

[sequel]
Genjitsu Shugi Yuusha no Oukoku Saikenki 2/How a Realist Hero Rebuilt the Kingdom 2

[sequel]
Shingeki no Kyojin/Attack on Titan - The Final Season 2

[sequel]
Gal-gaku. II - Lucky Stars

[sequel], [short]
Yami Shibai 10

[sequel]
Princess Connect! Re-Dive Season 2

[sequel]
Arifureta Shokugyou de Sekai Saikyou 2

[sequel]
Vanitas no Karte/The Case Study of Vanitas (2022)

[sequel]