Classmate between close friends, Kokomi and Reika. A story of the Female Teacher Natsumi which wants to make two people who seem to exceed a limit of the friendship one's thing. The Natsumi which lets Kokomi leave in the one classroom in the beginning. Were Kokomi to be frightened by, but gradually fall in charm of the Natsumi first. Reika of the close friend who knew it goes to protest Natsumi, but Reika knows the charm of the Natsumi again. Two people who have been completely charmed by Natsumi become strong in thought to want you to know their charm adversely before long.
