Avainsana Otaku

A 34-year-old hikikomori is kicked out of his home by his family after the death of his parents. After his eviction, he saves a group of teenagers from being killed by a speeding truck, but loses his life in the process. When he comes to, he realizes he has been reborn as Rudeus Greyrat, in a world of swords and sorcery.

Onoda Sakamichi is a rather timid, anime-loving first-year student at Sohoku High School. Upon entering high school, he tried to join the anime research club, but after meeting Imaizumi Shunsuke, a renowned cyclist since middle school, and Naruko Shoukichi, who swept the Kansai cycling championship, he ended up joining the competitive cycling club.

A group of young pirates from space come to Earth to obtain the "Greatest Treasure in the Universe", which can only be acquired after obtaining the Ultimate Powers of the 34 Super Sentai. However, they end up running afoul of the Space Empire Zangyack, whose earlier invasion forces were wiped out by the 34 Super Sentai long ago. As a result, the space pirates use "pirate copies" of the powers of the older teams and fight the Zangyack forces as the Gokaigers.

Off-duty Japan Self-Defense Forces (JSDF) officer and otaku, Youji Itami, is on his way to attend a doujin convention in Ginza, Tokyo when a mysterious portal in the shape of a large gate suddenly appears. From this gate, supernatural creatures and warriors clad in medieval armor emerge, charging through the city, killing and destroying everything in their path. With swift actions, Youji saves as many lives as he can while the rest of the JSDF direct their efforts towards stopping the invasion. Three months after the attack, Youji has been tasked with leading a special recon team, as part of a JSDF task force, that will be sent to the world beyond the gate—now being referred to as the "Special Region." They must travel into this unknown world in order to learn more about what they are dealing with and attempt to befriend the locals in hopes of creating peaceful ties with the ruling empire.

Oreimo follows the daily life of an ordinary high school boy named Kyousuke Kousaka. Kyousuke’s younger sister Kirino is a pretty fashion model, but also hides a dark secret of being an otaku of adult games. Kyousuke is the only person to whom Kirino reveals her hidden obsession and other issues.

Wakana Gojo is a high school boy who wants to become a kashirashi--a master craftsman who makes traditional Japanese Hina dolls. Though he's gung-ho about the craft, he knows nothing about the latest trends, and has a hard time fitting in with his class. The popular kids--especially one girl, Marin Kitagawa--seem like they live in a completely different world. That all changes one day, when she shares an unexpected secret with him, and their completely different worlds collide.

Sasahara Kanji is a college freshman who decides to join a student society to share his hidden thoughts on manga, anime and gaming. As he participates in club activities such as visiting dojin shops and anime festivals he opens his mind and resolves that he will make his way into the otaku world.

High school student Chiyo Sakura has a crush on schoolmate Umetarō Nozaki, but when she confesses her love to him, he mistakes her for a fan and gives her an autograph. When she says that she always wants to be with him, he invites her to his house and has her help on some drawings. Chiyo discovers that Nozaki is actually a renowned shōjo manga artist named Sakiko Yumeno. She then agrees to be his assistant in order to get closer to him. As they work on his manga Let's Fall in Love (恋しよっ), they encounter other schoolmates who assist them or serve as inspirations for characters in the stories.

Having fun in school, doing homework together, cooking and eating, playing video games, watching anime. All those little things make up the daily life of the anime-and chocolate-loving-Izumi Konata and her friends.

A beautiful-yet-awkward genius recruits three otaku to protect Akihabara. Powered only by their own delusions, and aiming to be acknowledged as a true Sentai team, they become the Unofficial Sentai, Akibaranger!

College student Tadashi 'Hachi' Inukai is tired of feeling like a loser. But that all changes one day when he accidentally conducts a mysterious ritual he finds online, summoning a demonic yokai to the mortal plane, nicknamed Izzy. Bonded by magic, Hachi and Izzy must figure out how to navigate life, love and murder.

Amamizukan is an apartment complex where no boys are allowed. Tsukimi, a girl who adores jellyfish, lives there happily with her friends who all have nerdy obsessions of their own. Their peaceful lives gradually start to change when a beautiful woman helps Tsukimi out of a pinch. She stays overnight at the apartments—but it turns out "she" is really a "he".

When Narumi, an office lady who hides the fact that she is a yaoi fangirl, changes jobs, she is reunited with Hirotaka, her childhood friend who is attractive and skilled but is a hardcore gaming otaku. They decide to start dating for now, but being otaku, both of them are awkward so a serious romantic relationship is rather difficult for them...

Kagami Junichirou was known as a physics genius when he was a teenager, and he was even published in "Nature." However, after college, he suddenly lost all interest in science. As a NEET, he's devoted himself to his anime blog and nerdy collecting habits. He claims he has a serious illness called "I can't do anything I don't want to do." Desperate to get him to do something with his life, his little sister manages to get him a job teaching physics at his old high school. He's certainly an unconventional teacher, but he becomes fairly popular with the students. After helping a girl who's being ruthlessly bullied, Kagami finds that he actually likes teaching. Will he continue his career as a weird teacher? Will he go back into physics? Or will he end up back where he started?

Kaoru is an office lady you can find anywhere, serious and works diligently, but her husband is a super otaku and more-or-less a NEET. She is caught up in one of her husband's whims one day or the subject of his concerns another, but the two are so close that it's embarrassing to even watch them!

The series is based on the manga Tokusatsu Gagaga, a comedy manga by Tanba Niwa. Tokusatsu Gagaga series follows Kano Nakamura, an office lady played by Fuka Koshiba, who is secretly a tokusatsu otaku, a toku-ota. She lives her life by the code of tokusatsu heroes and often envisions herself as one as a means to make it through her daily struggles.

Humans have created many stories. Joy, sadness, anger, deep emotion. Stories shake our emotions, and fascinate us. However, these are only the thoughts of bystanders. But what if the characters in the story have "intentions"? To them, are we god-like existences for bringing their story into the world? Our world is changed. Mete out punishment upon the realm of the gods. In Re:CREATORS, everyone becomes a Creator.

Kae Serinuma is a second year high school student and an avid fujoshi who secretly ships her classmates, Igarashi and Nanashima. The death of her favorite anime character causes her to become stressed and lose weight rapidly. Now that Serinuma has become an attractive girl to her classmates, snarky junior Shinomiya and senior Mutsumi, how is she going to deal with them with her constant BL-filled fujoshi mind?

One rainy day, salaryman Amakusa Ryo is saved by a high school girl he doesn't know at the station. He later finds out that the girl is Arima Ichika. Ryo is somewhat of a womanizer and to repay her for saving him, he suggests giving her a kiss or going out on a date with her, in which Ichika tells him he's creepy. This, however, opens a new door for Ryo and he falls madly in love with her. Ever since then, Ryo tries to overly express his feelings to Ichika. Ichika just keeps insulting him and says he's being creepy, but he just seems to take it as her way of showing affection towards him...

Staz is a vampire from the surreal "Demon World", and Fuyumi, an ordinary girl, accidentally wanders into the Demon World through a portal. Subsequently after meeting each other, Fuyumi is killed by a carnivorous plant and turned into a ghost, causing Staz to take responsibility and pledge to help bring her back to life.