Starting the secret poop training...
Chisaki Shido, the student council president, used to have sex with her boyfriend secretly in an unused gym equipment room after school.
However, Chisaki is not satisfied with her boyfriend's sex at all,
and to relieve her frustration, she gets addicted to pooping and masturbating in the unpopular lavatory in the school.
Then, Kito-senpai finds Chisaki is masturbating by the spy camera.
Chastity belt and anal plug are put on her,
The secret training that she can't tell her boyfriend begins.
B&W manga, 35 pages.
However, Chisaki is not satisfied with her boyfriend's sex at all,
and to relieve her frustration, she gets addicted to pooping and masturbating in the unpopular lavatory in the school.
Then, Kito-senpai finds Chisaki is masturbating by the spy camera.
Chastity belt and anal plug are put on her,
The secret training that she can't tell her boyfriend begins.
B&W manga, 35 pages.
(English product description provided by the creator.)