disclaimer: tags/genres grabbed from aniDB and/or ANN. I haven't watched the anime myself yet.
Shin Sekai Yori/From the New World
The story is set in Japan a millennium from now. Five children - the protagonist Saki, Satoru, Maria, Mamoru, and Shun - have been born and raised in a tranquil town that can be described as a utopia, overflowing with water and green foilage. The world is ruled by people who have the cursed power or the gods' power of telekinesis. After a certain incident, Saki and the others come to realize the true nature of their world. Before long, they learn everything, including the bloody history that brought humanity to this state. The five throw themselves into life-threatening adventure and fighting to protect friends and a world on the brink of collapse.
adventure, drama, mystery, sci-fi, supernatural
Chiisana Oji-san/Chiisana Oyaji
based on a manga about a tiny old man.
comedy, [short 1 min]
Tonari no Kaibutsu-kun
The romantic comedy centers around Mizutani Shizuku, a girl who has absolutely no interests except for school and her plans for the future. A boy named Yoshida would be seated next to her in class, but he has been constantly absent for one reason or another since the first day of school. By chance, she is sent to deliver class printouts to him, and that leads Yoshida to believe they are friends.
comedy, school life, delinquents, romance, shoujo
Kamisama Kiss/Kami-sama Hajimemashita
After her father having run away due to gambling debts, and being evicted from her apartment, Nanami meets Mikage, a strange man who is afraid of dogs. Nanami saves Mikage from a dog and tells him her story. He gives Nanami his house as a thank you for saving him. Nanami accepts the offer, due to having nowhere else to go. Mikage draws her up a map showing her where to go. Upon arriving, she finds that it is a rundown shrine. Nanami is then almost killed by Tomoe, who was expecting Mikage to finally return after his 20 year absence. She is then greeted by both Onikiri and Kotetsu, as the new land god of the shrine. Unable to accept Nanami as the new land god, Tomoe mocks her then leaves the shrine, which, without Tomoe's power transforms back into a run-down state. Not wanting to rob Tomoe of his home and realizing that her powers as a god are too weak anyway Nanami leaves, but eventually is brought back by Tomoe after she seals a contract with him, making him her familiar.
comedy, demons, romance, shoujo
Chou Soku Henkei Gyrozetter
based on an arcade game and card game depicting battles between cars that transform into robots.
Wooser no Sono Higurashi
The daily life of Wooser, a mysterious "animal" that lives on the Internet, with a cute look but a terrible personality.
slice of life, [short 5 min]
Chuunibyou Demo Koi ga Shitai!
High school freshman Y?ta Togashi was once a "chuunibyou patient" i.e. an overly self-conscious middle schooler. He wants to bury this embarrassing past and begins a new life in high school -- unsuccessfully. His classmate Rikka Takanashi, a "current" chuunibyou patient, has found traces of residual symptoms on him and used the fact to force Togashi "making a contract" with her.
comedy, coming of age, romance
Sakamoto Ryouta is an unemployed 22-year-old who lives with his mother. In the real world, there may be nothing really special about him, but online, he's one of the world's top players of the combat game Btooom!! One day, he awakes in what appears to be a tropical island, though he has no memory of how or why he has come to be there. While wandering around, Ryouta sees someone and calls out for help. The stranger responds by throwing a bomb at him! Now Ryouta realizes both that his life is in danger and that he has somehow been trapped in a real-life version of his favorite game! Will Ryouta be able to survive long enough to figure out how and why he ended up here?
action, ecchi, sci-fi, violence
High school freshman Rihito, who just came back from abroad, started a new life in Japan with his four Busou Shinki, female action figures with weapons.
androids, proxy battles, sci-fi
Zetsuen no Tempest: The Civilization Blaster
The story centers around Yoshino, an ordinary high school student with a mysterious friend named Mahiro. Mahiro made a deal with a witch named Hakaze to hunt down the killers of his parents and sister. Now Mahiro is missing, and Hakaze confronts Yoshino. Yoshino find himself involved in crisis that may doom the entire world.
Ashinaka High School is known for its unique setting: the entire campus is built on an island. Isana Yashiro, aka Shiro, is having lunch with a cat on one of the school rooftops. After his lunch break, Shiro goes on an errand for his classmate Kukuri to prepare for their upcoming school festival, only to be chased by some intimidating-looking men.
bishonen, super power
Onii-chan Dakedo Ai Sae Areba Kankei Nai yo ne!
After 6-years' separation, Himenokouji Akito reunites with his twin sister Akiko and they live together once more. However, in the interim, Akiko had developed a serious case of bro-con, romantic feelings for Akito. It doesn't stop there as Nikaidou Arashi, the student council president of his new school, vice-president Nasuhara Anastasia, and Sawatari Ginbei Haruomi, who followed Akito all the way from Kyoto, all move in with him one after the other.
comedy, harem, ecchi, romance, daily life
JoJo's Bizarre Adventure (2012)
Late 19th century. Young, handsome and wealthy English nobleman Jonathan Joestar seems to have everything people crave for. His lowly-born adopted brother Dio Brando, brought into the family by Jonathan's father George, is particularly jealous of Jonathan. When Jonathan found out Dio's horrible secret, he tried to use an stone mask that looks like a torture instrument to kill Jonathan, who's into archaeology and might make the death look like an accident. However, the stone mask is anything but a simple instrument.
action, super power, violence
Little Busters is an adaptation of Key's romance adventure visual novel of the same name. Riki Naoe was orphaned when his parents died, but his depression is slowly lifted when he befriends a group of kids calling themselves the Little Busters. The series takes place during his second year of high school.
comedy, fantasy, romance, tragedy
Suki-tte Ii na yo./Say I Love You
The story of first love centers around Tachibana Mei, a girl who has never made friends or had a boyfriend in 16 years. One day, she accidentally injures Kurosawa Yamato, the school's most popular boy. For some reason, Yamato becomes interested in Mei and starts a one-sided friendship with her. He even protects her from a stalker - by kissing her.
Sakurakouji Sakura is a girl who appears modest and graceful but in reality is skilled in martial arts. After witnessing a boy burning people with his blue flame, she is startled to see that the same boy is a transfer student, Oogami Rei. Oogami is a Code Breaker, one who does not exist. He is a seemingly cold-blooded killer who follows the principle of an eye for an eye, to use evil against evil. Convinced that killing is not right, Sakurakouji sets out to stop him and penetrate his icy heart.
action, angst, martial arts, romance, tragedy
In a strange faraway land lies the mysterious labyrinth called The Dungeon. A young boy, Aladdin, and his companion Alibaba, attempt to penetrate the secrets of The Dungeon and obtain the treasures rumored to be hidden there. Within The Dungeon, Aladdin meets many different people, and eventually discovers his destiny.
Four girls makeup Kameido High School's Tennis Club, but they don't actually get in much tennis practice. Oshimoto Yuri is the club's only freshman and the only sane person in this collection of eccentric personalities. Each day is spent in fun with her sophomore seniors, Shinjou Kanae, who is utterly inept at tennis, Takamiya Nasuno, who attempts to solve every problem with money, and Bandou Marimo, who, despite her elegant looks, is quite the pervert.
tennis, comedy, [short 3 min]
Ixion Saga DT
Hokaze Kon is an otherwise normal boy who, one day, receives an inter-dimensional summons to the world of Mirror. He appears just in time to save the life of Princess Ecarlate, whose enemies are trying to prevent her political marriage. Kon, who knows nothing about Mirror nor the way home, attaches himself to Ecarlate's entourage.
Ichigo Hoshimiya is a regular, ordinary middle school girl. But when her best friend Aoi invites her to join the idol training academy, Starlight Academy, her whole world is turned upside down. As she encounters all kinds of rivals and learns what it takes to be an idol, she uses her Aikatsu Cards to challenge countless auditions.
Sakurasou no Pet na Kanojo
he school romantic comedy revolves around a second-year high school student named Kanda Sorata who lives in Sakurasou, the dormitory for problem children at Sorata's school. One day, Shiina Mashiro - a cute girl who happens to be also a cosmopolitan, brilliant artist - moves into Sakurasou. Sorata thinks to himself that he should protect Mashiro from the weirdos at Sakurasou, but Mashiro has a surprising secret: she has no idea how to take care of herself. She gets lost if she goes out, and her room is a complete mess. Sorata's dorm mates designate him as the master of Mashiro, and thus, an ordinary boy and a brilliant girl must live like a master and his pet.
comedy, drama, romance, school life, ecchi
Girls und Panzer
In this world, "Sensha-do", the military art of using tanks, is every bit as important to a yamato nadeshiko as flower arrangement and tea ceremony. Nishizumi Miho is a new transfer student who want nothing to do with Sensha-do. However, she is summoned before the Student Council President who forcibly enrolls her in Sensha-do, with the ultimate goal of being part of the school's team in the National Sensha-do Tournament. To make matters worse, every single member of the team is eccentric.
In the future, it is possible to quantitatively measure a person's emotions, desires, and every inclination. In this way, it is also possible to measure a person's criminal tendency factor, which is used to judge criminals. This is the story of a team of policemen dedicated to maintaining public order. Some of them work in the Enforcement Division, responsible for the apprehension of criminals, while others belong to the Supervisory Division which oversees their colleagues in Enforcement.
It is the end of June 2019. A device called the PhoneDroid, more commonly called the PokeCom, has gained wide-spread acceptance. On the island of Tanegashima, Central Tanegashima High School's Robot Research Club is on the verge of disbandment. Yashio Kaito shows absolutely no interest in the club despite the situation and being one of the club's only 2 members. He is fully absorbed in developing a robot fighting game. His attitude causes friction with Akiho, the other member. Senomiya Akiho is the reckless Club President. She is determined to save the club by completing construction of a giant robot. One day, whilst Kaito was in a park, working on his computer game as usual, he hears a girl's voice and discovers the A.R. annotation of the Kimijima Report. It is an allegation of a plot by one Kimijima Kou's with world-wide implications.
[sequel], [short 10 min], action
Hiiro no Kakera Dai-ni-Shou
American-Japanse co-pro (LOL, start in Japan na NL...), for kids
Hayate no Gotoku!: Can't Take My Eyes Off You
[sequel]?/side story?/remake?, comedy, harem, parody
Hidamari Sketch x Honeycomb
To Love-Ru - Trouble: Darkness
Jormungand: Perfect Order
Medaka Box Abnormal