After graduation...A gift from your stepmother to you as you grow up—Minami Kojima JUR-674

To forget his feelings for Minami, his father's second wife, Yuta enrolls in a full-time school. His fulfilling school life finally comes to an end on graduation day. Minami runs towards him, smiling. This long-awaited reunion rekindles the longing buried deep in his heart… That night, during the graduation celebration, the two are alone. Minami gently kisses him, her tongue entwining with his, and says, "This is my graduation gift to you…" And so, the boy steps onto the stairs leading to adulthood—.