フタナリ母と女装少年と母の射精管理をする愛娘。

Miki, a mother who had sex with her own daughter, has become the object of her daughter's observations, using it as an excuse.
The daughter's repeated sexual acts, which she calls "experiments," escalate.
Then, one day, her daughter's friend (male) comes to visit.
He casually peeks into Miki's room and sees a scene of Miki being raped by Miki.
The boy is confused, but his crotch is abnormally hot...