NACR-992 A strange older sister type gal somehow ended up living in my room AIKA - Aika(2025)

I woke up one morning to find a strange gal lying in bed next to me!? AIKA is a self-centered gal who doesn't care what she does, and before I knew it, I had gotten used to living with her. Before I knew it, I couldn't imagine life without AIKA...