The anime adaptation revolves around a young boy named Faiya Orega who loves Oreca competitions. One day, he is granted the power to summon real Oreca monsters due to the mysterious powers of the treasure chest Pandora. To protect the peace of the Oreca world, Faiya must fight the demon king who threatens the land.

This romantic comedy revolves around an antisocial high school student named Hikigaya Hachiman with a distorted view on life and no friends or girlfriend. When he see his classmates talking excitedly about living their adolescent lives, he mutters, They’re a bunch of liars. When he is asked about his future dreams, he responds, Not working. A teach… more This romantic comedy revolves around an antisocial high school student named Hikigaya Hachiman with a distorted view on life and no friends or girlfriend. When he see his classmates talking excitedly about living their adolescent lives, he mutters, They’re a bunch of liars. When he is asked about his future dreams, he responds, Not working. A teacher gets Hachiman to join the volunteer service club, which happens to have the school’s prettiest girl, Yukinoshita Yukino.

This romantic comedy revolves around an antisocial high school student named Hikigaya Hachiman with a distorted view on life and no friends or girlfriend. When he see his classmates talking excitedly about living their adolescent lives, he mutters, They’re a bunch of liars. When he is asked about his future dreams, he responds, Not working. A teach… more This romantic comedy revolves around an antisocial high school student named Hikigaya Hachiman with a distorted view on life and no friends or girlfriend. When he see his classmates talking excitedly about living their adolescent lives, he mutters, They’re a bunch of liars. When he is asked about his future dreams, he responds, Not working. A teacher gets Hachiman to join the volunteer service club, which happens to have the school’s prettiest girl, Yukinoshita Yukino.

For several years, Kyousuke’s relationship with his younger sister Kirino has been cold, to the point that they only share greetings. But one day, Kyousuke finds a moe anime DVD fallen in their entry hall. His interest piqued, he looks for the owner, only to realize it belongs to Kirino. He’s shocked, but more surprises lie just ahead…

Kyousuke Kousaka, a normal seventeen-year-old high school student, hasn’t gotten along with his younger sister, Kirino, in years. For longer than he can remember, Kirino has ignored his comings and goings and looked at him with spurning eyes. It seemed as if the relationship between Kyousuke and his sister, now fourteen, would continue this way for…

Tatsumi is a high school boy who lives by himself. However, a devastatingly handsome merman named Wakasa moves into the bathtub in Tatsumi's home. Wakasa is a bit self-centered but cute, while Tatsumi is cool but a busybody.

Eita enters high school aiming for the National University School of Medicine. Because of his parents’ divorce—and his goal—he shuns anything to do with romance or love. One day, Masuzu, the school beauty with the silver hair who has just returned to the country, enters his life in a most unexpected way. Chiwa, his childhood friend since elementary school, will not let this go without a fight.

An OVA bundled with the non-adult version of the OreTsuba PC game. The OVA has more fan service than the TV series (what they call, "nakedness plus 90%").

An OVA bundled with the non-adult version of the OreTsuba PC game. The OVA has more fan service than the TV series (what they call, "nakedness plus 90%").

Haneda Takashi has a secret he cannot speak of. To leave his dull school-life, he was supposed to have escaped to another world. However, he is reeled in by certain ties on his heart. One of these is Kobato, his awkward younger sister. The other is Watarai Asuka, his negligent girlfriend. Chitose Shuusuke is a poor freeloader. He passes his days working at various part-time jobs. One day, he has a disastrous first encounter with Tamaizumi Hiyoko. The next time they meet, Shuusuke discovers that they are fellow employees at his part-time job. Narita Hayato sees himself as a "hard-boiled" person. Back-breaking jobs are nothing to him. Hayato shuns normal human contact, but, during the nights, he would get together with delinquents and other denizens of the night. One such night, he meets the cheerful and oblivious Otori Naru. The relationships with these girls will greatly affect these 3 young men. But what, exactly, is the relationship these young men have with each other?

Five years ago, Musashi made a promise with his friend Kojirou Kanemaki that once they grew up, they would become samurai, form a league, and go on demon-slaying quests. But since then, things have changed. With demons now being praised and worshipped by society, the samurai are shunned and disgraced. Afraid of revealing his dream of becoming a samurai, Musashi blends into the town's dogma by becoming a miner while secretly polishing his swordsmanship. Meanwhile, despite being a direct descendant of a samurai, Kojirou gives up on his promise to his old friend. However, after saving Musashi from a near-death experience, his perspective shifts. Although still conflicted, Kojirou embarks on a journey with Musashi in the hopes of figuring out his true feelings. Fighting against all odds, the duo dives headfirst into the unknown world of beast-slaying, not knowing what life has in store for them. Now astride iron horses, the fifteen-year-old heroes plan to restore the tarnished reputation of the samurai and purge the world of demons.

Freed from the rule of samurai 150 years ago, the people of Hinomoto live peaceful lives and revere their liberators—demons whose true forms remain elusive—as gods. Fated to mine rocks for the demons to feast on, Musashi knows the grim truth: humanity is enslaved by these otherworldly beings and the samurai are the last bastion fighting for freedom. Hiding his true opinion from his peers and growing distant from his childhood friend Kojirou Kanemaki, Musashi lives in angst until the day of his graduation. When the fresh graduates arrive at the mine, they are horrified to see the inhumane treatment of miners and the uncanny physical appearance of their overseers. However, Musashi manages to endure thanks to Kojirou's help. As the demon leader wreaks havoc on the quarry, Musashi is saved once more from certain death by the Takeda samurai clan. Recovering from humiliation and yearning for adventure, Musashi embarks on a journey to become a samurai and form his own clan!