Mio Sudou, a 30-year-old office lady, has gone a few years without a boyfriend. She's long given up on love. Shuuji Mashima, a foreign-affiliated consultant has not had a girlfriend in a even longer period of time. He has lost almost all interest in women. They meet at a matchmaking party and a lewd comment lands them together in various situations.

Makoto has become the girlfriend of her childhood friend. However, she's so lewd, and keeps masturbating to her stepbrother's porn-stash. Her brother catches her and brings her up to speed on his plans for each other.

Hikari Hyakkiya is a detective with a with a strange past. She also has an even stranger disposition. After catching wind of an assault on a storied mountain, she's on the case. However, the history of this mountain may be more than she bargined for.

Takashi continues his elicit relationship with his older sister. However, the girl he showed up with in the beginning of the first episode returns! And she is rather interested in their relationship.

Makoto has promised to sleep with her boyfriend if his grades are good enough come exams. However, this just leaves her more vulnerable to her brother's advances.

Hikari returns in yet another youkai related case. This time, women have been attacked in a hot spring. Now is the perfect time for a dip herself!

WARNING, EVERY OTHER SEX SCENE IS MALE X MALE (YAOI).YOU HAVE BEEN WARNED. Shion and Rui are well-known playboys that pick-up women all the time. Shion run's foul of a previous conquest and wakes up as a woman! Now, he is made to feel the shame and humiliation he has done to so many women. Odder still, he and Shion quickly realize that their relationship can be more than friends, girl or not!