Its been 3 years since I left my parents. - In order to stop falling in love with her stepmother, Arika, Yu enrolls in a boarding school, but... - On the day of her graduation, she saw her running up with a smile. - I felt her hidden thoughts welling up again in the depths of her heart. - That night, her girlfriend Yu takes her drunk to her inn... - Yuka, who had noticed his feelings, said, Congratulations from your mother-in-law to you who graduated, and gently put her lips on hers. - Guided by his mother-in-law, he climbs the stairs to adulthood again.