Mina and her friends attend a group mixer (gokon) at a karaoke bar. To the protagonist’s surprise, one of the women attending is his younger sister, Mina.
It perfectly nails that teasing, "bitchy" imouto trope without losing the chemistry. Best Part: imouto bitch ni shiboraretai best
It is categorized strictly as adult media (Hentai), catering to a specific niche that enjoys taboo-themed romantic comedies and erotic drama. Imouto Bitch ni Shiboraretai (TV Series 2017-2017) - TMDB Mina and her friends attend a group mixer