Nezumi, Warrior of the Rat, is an ordinary high school student in his normal life. He used his ability, Hundred Paths of Nezumi-san, to become the Taisen's lone survivor, and in the process learned the wishes of the battle's other participants. When Duodecuple reappears and prompts him for his answer, Nezumi does as Ox taught him, and offers the one answer that is right for him.
Long ago, because of a 
mistake I made at work,
،منذ زمنٍ بعيد، بسببِ خطأ ارتكبتُه في العمل
Vor langer Zeit hab ich
auf der Arbeit was verbockt
Hace tiempo, por culpa de un error mío,
Hace tiempo, por culpa de un error mío,
Autrefois, à cause d’une erreur
que j’ai faite,
Tempo fa, per un errore che feci a lavoro,
Há muito tempo, por conta de
 um erro que cometi no trabalho,
Давным-давно я по ошибке взял задание,