Musou Tan arrives at the academy expecting an environment of strict decorum and tradition. He soon crosses paths with class president Amami Mao, whose flawless poise sets the tone for campus life, and reconnects with his cousin Hanamaki Arisa. Early conversations and shared routines hint that the school’s refined image may not tell the whole story. Subtle contrasts between appearances and private moments begin to surface, leaving Musou intrigued by what lies beneath the surface.