Akira left her parents and went to a boarding school. - Three years of her student life passed in the blink of an eye, and on the day of her graduation ceremony. - On the way home with her friend, it was her mother-in-law, Ryo, who came from the other side with a smile. - Ever since their first meeting, Akira couldnt hide his joy at celebrating his graduation with the girl he admired. - Ryo is overjoyed at his growth and ends up drinking too much... - And she exchanged a hot and rich kiss as a gift for her graduation to him who took care of her.