During the intense period of final exams, Yuuta finds himself not only grappling with academic pressure but also with the overwhelming affection of his two striking sisters: Chiyoko, the nurturing and gentle sister who showers him with care, and Chinatsu, the spirited and assertive tomboy who vies for his attention through playful teasing. As the tension mounts in this complex sibling dynamic, the question looms: which sister will emerge victorious in this tangled web of family love and rivalry?