Joshikousei ga, Koroshiya toNewJoshikousei ga, Koroshiya to.; 女子高生が、殺し屋と。; A High School Girl... With an Assassin.

Mizuki was a high school girl leading a peaceful life. Reika was a highly skilled sniper belonging to "the Organization." When these two accidentally meet, a slapstick series of body-swapping days begins!