JUR-599 — After The Graduation Ceremony... A Gift From Your Stepmother To You Now That You're An Adult. Satsuki Sakura

In an attempt to forget his secret love for his father's new wife, Sakura, Shinji enrolled in a boarding school when his father remarried. Three fulfilling years spent devoting himself to his studies came to an end in the blink of an eye... Then, on the day of his graduation ceremony, Sakura came running up to him with a smile on her face as he was walking home. The two celebrated their graduation together, hiding their admiration for the woman they loved, but... A tipsy Sakura gently kissed him and said, "I'll give you a graduation gift." And so the boy took the first step into adulthood.