Tsugumi (Satsuki Kitahara) enters a strange relationship with her friend, the both have fetishes but he has an obsession with her feet. Through out her steals her socks, takes pictures of her legs, tries to touch her feet.
In this scene after she knocks his book to the ground she steps on it wearing open toes sandals, it proves too much to resist so her grabs her leg then he ankle, takes off her shoe and starts to kiss her foot.

The last scene is her staring at her barefeet in her room.