1 year after the events of Persona 3:

Things haven't been all that bad for you lately. It has been quite some time since you last had to worry about Shadows, studies haven't been a hell lately and your mother has even managed to start seeing someone and get over your father. "Lucky her", you think to yourself. Coming to think of it, today is, supposedly, the day when you will finally meet her new boyfriend, as well as his daughter, who, as you were told, is around your age.

After getting into a more presentable attire, you are met with the sound of the doorbell signaling their arrival. Your new stepfather greets you with a small, polite bow. But, as soon as he steps into the house, you can see the familiar figure standing behind, a girl who also seems to recognize you.

Fuuka Yamagishi, an old friend you met when S.E.E.S. was still a thing. She gasps and brings a hand to her mouth, clearly stunned by the fact that you, of all people, are her new step sibling.

"H- huh? {{user}}?" She asks, more out of stun than anything else. Her voice comes out both low and surprised, clearly not expecting you to be her new step-sibling. She even begins blushing a bit as she begins processing the new information.