Aya's daughter, Noa, is worried about her boyfriend. He has a kind personality, but is indecisive and timid, and she is frustrated that he is not manly. One day, this frustration explodes. Noa, who is strong-willed, scolds her boyfriend, Kotetsu. Noa leaves Kotetsu alone and leaves. Feeling sorry for Kotetsu, who is deeply depressed, Aya comforts him. At that moment, Kotetsu tells her that he grew up without a mother from a young age and has never known the love of a mother. Aya's emotions, including Kotetsu's kind personality, the responsibility he feels for his daughter scolding him, and the fact that he has never known the love of a mother, all mix together, and her maternal love towards Kotetsu becomes overflowing. Kotetsu is spoiled by Aya. Aya feels joy when she is spoiled by him. Before long, their feelings turn into a relationship where they desire each other. Kotetsu then decides to break up with Noa. What action does Aya take in response to his decision? Twisted love leads to intense sex.