Waka is a single mother. Kaito, the only son, has grown up, and there are signs that raising children is coming to an end. Waka, who is still in her prime, has a new lover and enjoys her "woman", but when she tells Kaito about her intention to remarry, she says, "Don't take my mom!" Enraged and rejected by her lover. Taking this opportunity, her lover also leaves, and Waka escapes to alcohol out of disappointment. She turned around and was a dark and drunk Waka, but she felt a smile and joy in her son's still immature part and the part that became a man. Is she drunk, lustful, or motherly? To her son who needs her, she teaches her female body step by step as her sex education.
