Hikaru with her classmates Hinami and Shiori. Draw the daily life of school life from the perspective of the three of them. A bookmark that uses your body to seduce you to attract the attention of your favorite boy. However, the boy liked the teacher’s obedient sex slave ΓùÅ Hikaru. Hinami, who liked bookmarks, was jealous and had sex with her classmates. A real-time drama work in which each feeling is mixed.