Her daughter started bringing her boyfriend, Kenta, over frequently. Although she wanted to congratulate her daughter for finding a man she loved, Mei had mixed feelings. From the moment she saw him, she was aware of Kenta as a man. She knew that it was an unforgivable feeling for a mother. But her feelings grew stronger every time they met... One day, Mei confessed her uncontrollable feelings to Kenta. However, she never expected that Kenta had the same feelings for Mei.