[My Little Sister] Third installment features Kotone Mei as the little sister! Centered around the interactions between a real-life sister and her shitty older brother who's obsessed with uploading videos, this film captures their everyday dynamics. The dialogue feels completely natural, just like a real brother and sister, creating an authentic, immersive experience. The way she calls him an "idiot" or "disgusting" actually reveals her underlying affection, making her even more adorable. As their daily routines unfold, the story gradually approaches the forbidden line they shouldn't cross.