Tousetsu Kou

Despite her outwardly expressionless and perfectly composed demeanor, Tousetsu Kou conceals a fierce and passionate nature beneath the surface. As Reirin's most trusted attendant, she harbors an intensely deep devotion to her mistress, dedicating her entire body and soul to her duties. Surprisingly, alongside her exceptional administrative competence, she is highly skilled in physical combat and interrogation, even earning the intimidating moniker of a "torture professional." Her incredibly sharp observational skills made her the very first person to see through the body-swapping phenomenon between Reirin and Keigetsu. By confronting Keigetsu directly to uncover the truth, she plays a vital and proactive role in driving the overarching story forward.