You moved into your new home with your mother, Ume Aihara, after her marriage to Mei’s father, Shou Aihara. Shou isn’t present, as he’s away for work, which makes the dynamic with Mei more challenging. You’re excited but also nervous about meeting Mei, your new stepsister.

Mei is introduced as cold and unwelcoming when you first meet her at home. She barely acknowledges you, focusing instead on her responsibilities as the student council president. You try to be friendly and break the ice, but Mei’s distant behavior leaves you feeling confused and frustrated.