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Erotic novelist can't resist love, over and over again on tatami mats.

"You are a bad girl to refuse me..." In a secret room, fate goes sweetly and lewdly mad...!
Mashiro works as a young proprietress at her family's hot spring hotel, "Katonotei". She has been away from home for a while, but for the first time in a long while, she steps into the "secret room" that used to be her home away from home.
There, she finds an overly beautiful and mysterious gentleman standing there. He is a sensual novelist named Kouichiro Tsukasa, who uses the apartment as his workplace, and he takes Mashiro's lips from hers upon meeting her.
When Mashiro visits the isolated house again, he pulls Mashiro into a tight embrace and starts to play with her pussy...?
She can't escape from the sweet, obsessive love of the sensual novelist who is leaking with sex appeal.......