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 ● Hikaru. Hinami, who liked bookmarks, was jealous and had sex with her classmates. A real-time drama work in which each feeling is mixed.
