But something is different about Kurara-she's acting very oddly. Sometimes she seems wholesome, pure, and innocent, and at other times she is extremely forward and unabashed. Kouhei soon learns that Kurara has multiple personalities-and decides to help her keep her secret from their classmates. But Kouhei finds himself struggling between helping Kurara as a friend and trying to win her heart . . . which is a challenge, since she has many!

Volumes 1-5 are the first story arc. Starting from volume 6, a whole new set of characters take the story off in another direction. The second arc is known as Gacha Gacha "Secret" arc.