Kazuya, a son who can't control his excitement when he hears that his mother's friend Minase is coming to stay at his house with the radio DJ he always listened to while studying.However, I was so nervous that I drank too much and passed out.Minase, who felt that Kazuya was so dear to her, urged him to kiss her with her mischievous heart.However, Kazuya loses himself in the secret with the woman he admires...Two people who get along while repeating relationships many times.However, Kazuya is worried about Minase, who sometimes looks sad.