The village where Rui lives has a certain custom. It decides one's spouse not by personal will but by the village's rules. Rui broke up with her boyfriend and was married off to the neighboring village. Upon arriving at the neighboring village, she received an explanation from the village chief. According to custom, each couple must perform a ritual before engagement. After being taken to the ritual site, they undergo a three-day training to sever worldly impurities and desires. Ruiha is tormented in her body and anus by Yuu, the caretaker. The impure blood brought from outside was purified with holy semen, and I was made to drink the semen of a man wearing a mask. Then, three days later, the final ritual began...
