I'm soaked by the mistakes that loneliness invites me... - the immoral intercourse of pleasure and passion that drives my reason out of control -

Maki lives modestly with a convenience store during the day and a sex business at night with a woman alone. One day, he meets Ukyo, a young man who appears as a customer at work during the day, again at work in the evening... Attracted by the cold kindness he showed, Maki accepts him deep inside her vagina as she is asked to. The relationship that began that day was deeply intertwined, both physically and mentally, and shared joy. However, Ukyo never spoke about his identity. One day, men looking for him appear in front of them and tell Maki a certain fact...