Hundred is a tV series anime that premiered in spring 2016, produced by Production IMS.

About the production: the story comes from a light novel, there are 12 episodes of about 24 minutes and its current status is "finished".

Its main genres are action, ecchi, mecha and sci-fi, with themes such as Female Harem, Male Protagonist, Heterosexual and Incest.

On AniList, Hundred has an average score of 59%, an average score, and appears on 85,313 users' lists.

The story begins with the Hundred, the only weapon that can counter the mysterious Savage life form attacking Earth. To become a Slayer (master of military arts) who wields this Hundred, the main character Hayato Kisaragi successfully enrolls in the marine academy city ship Little Garden. However … "I wanted to meet you, Hayato!!" "W–who are you…?" Hayato feels a strange yet familiar sense of incongruity towards Emil Crossford, his roommate who somehow knows him from somewhere. On top of that, as soon as he enters the school, he is challenged to a duel by the "Queen" (the school's most powerful Slayer) Claire Harvey! (Source: Anime News Network)

Official synopsis from AniList.