Ikumi Haruhara, a married woman teacher who has been appointed as a new physical education teacher.
Ikumi searches the desk of Shiro Yasuno, who has long been suspicious, to find clues to her disappeared best friend.
But then! Ikumi is detained and loses her consciousness by Shiro who was ambushed.
Ikumi is grabbed by Shiro and trained.
Shizuka is distrustful of her change in Ikumi.
She is detained by Tamba because she started the investigation alone.
Shizuka threatens her confinement ○○ when she is about to start.
She drools in front of her unclean prey and slowly approaches Tamba.
A long XX feast was held.
