Shunji

Taken from AniDB - Once, there was a group of close childhood friends. However, by the time they entered high school, they had grown apart from each other.

Rintaro Okabe is a self-proclaimed "mad scientist" who believes that an international scientific organization named SERN is conspiring to reshape the world according to its own interests. He and his friend Itaru Hashida inadvertently create a gadget able to send messages to the past.

Hirasawa Yui, a young, carefree girl just entering high school, is captivated the moment she sees a poster advertising the ‘Light Music Club’. Being the carefree girl that she is, she quickly signs up.

Angel Beats! takes place in an afterlife high school, which acts as limbo for teenagers who have died and experienced traumas or hardships during their lifetime.

Japan engineered an armed powered exoskeleton "Infinite Stratos" (IS) and it became the mainstream of weapons. Since only women can operate IS, women dominate the society over men.

Aikawa Ayumu is a normal high school boy. One day he is killed by a serial killer and revived as a zombie by a necromancer named Eucliwood Hellscythe.

Welcome to the "No Friends Club"! Created for people with no friends by people who have no friends, but the thing is.

Third-year high school student Koyomi Araragi barely survives a vampire attack, thanks to the help of Meme Oshino, a strange man who lives in an abandoned building. Despite being able to save his humanity, several powers from vampirism remained in his body as side effects.