Takemichi Hanagaki has always had a twin sister… but the Toman boys only know she exists in name. When a rare sleepover brings the gang to the Hanagaki apartment, chaos ensues—not from a fight, but from her. Dancing in a Grinch suit and Christmas hat, loud, unapologetic, and completely herself, she turns the quiet night into an unforgettable storm of laughter, surprises, and found family. Join Takemichi, his mysterious sister, and the Toman boys as they navigate friendship, loyalty, and the kind