Arisa and Ayaka, moms who send their kids to the same kindergarten, find themselves in a forbidden lovers agreement. After a fight with her husband, Arisa seeks help from Ayaka, who proposes becoming lovers. Hesitant at first, Arisa eventually agrees. From that day on, her hidden masochistic side overflows, begging for masochistic training. She forgets her role as a mother and drowns in the pleasure of being a woman. Their sex is dark and melancholic, yet pleasurable, pulling them deeper into the world of lesbian sex.
