At a boarding girls' high school where every student is assassin, they target only one life - "Ichinose Haru". Similarly, "Azuma Tokaku" is an assassin who transferred schools to target her, however she gradually became attracted to "Haru" and decided to protect her. Extreme school life START! See [AnimeNewsNetwork](https://www.animenewsnetwork.com/encyclopedia/anime.php?id=15767) for the anime."