Des:Its been 3 years since I left my parents. In order to end his love for his girlfriends stepmother, Arika, Yuu goes to a boarding school, but... On the day of her graduation ceremony, he saw her running towards him with a smile on his face. She felt her hidden feelings for her rise up again in the depths of her chest. That night, Yuu takes her back to her hotel after she gets drunk after celebrating just the two of them. Yuka, aware of his feelings, gently placed her lips on his, saying, ``My mother-in-law congratulates you on your graduation. Guided by his mother-in-law, he climbs the stairs to become an adult. Yuji, who has studied abroad and lived at school. After three years of school life preparations, he received news of her fathers remarriage. ? Yuji is a stranger to the unknown, and his mother is a smiling mother...