High school student Koyomi Araragi survived a vampire attack and can’t stop getting mixed up with all kinds of apparitions—but he’s about to face his biggest challenge yet: protecting his two little sisters! Karen and Tsukihi have a penchant for justice, and it’s up to Koyomi to keep them safe as they track down the cause of their apparitions.

When apathetic gamer Nagi agrees to join his rich classmate Mikage in soccer, their partnership leads to the famous Blue Lock program — and to changes.

和泉正宗（松冈祯丞 配音）是一名专注于创作轻小说的作家，曾经获得过新人奖，并就此踏上了写作的道路。不久之前，正宗开始了和没有血缘关系的妹妹和泉纱雾（藤田茜 配音）一起的同居生活，哪知道虽然住在同一屋檐下，但正宗几乎没有在家里看到过纱雾，因为纱雾是一个只待在自己房间里绝对不会出来的超级宅女。
负责给正宗的小说画插图的是一位名叫“情色漫画老师”的插画家，其画技之精湛令正宗深深折服，然而，情色漫画老师未曾有过以其真身示人之时，对于他隐藏在网络背后的真实面目，正宗有着诸多的猜测。然而，让正宗没有想到的是，这位插画家的真身，竟然就是妹妹纱雾！

Kirito awakens in a vast, fantastical forest filled with towering trees. In his search for clues to the truth of his surroundings, he encounters a young boy who seems to know him. He ought to be a simple NPC, but the depth of his emotions seem no different than a human. As they search for the boy's parents, Kirito finds a peculiar memory returning to him. A memory from his own childhood, of this boy and a girl, too, with golden hair, and a name he should have never forgotten—Alice.

Hachiman Hikigaya is an antisocial high school student with no friends or girlfriend and as a result has a distorted view on life. When he sees his classmates talking excitedly about 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 — Yukino Yukinoshita.