While Fushi began the episode in the form of the nameless boy, he is essentially a "blank slate" or an infant in a teenager’s body.
March initially accepts her fate to protect her younger sister and her friend Lalah, who would be chosen in her place if she refused. Fumetsu no Anata e Episode 2
March takes on a maternal role, giving Fushi his name—meaning "Immortal" —and teaching him fundamental human skills like eating with hands, basic speech, and the concept of affection. While Fushi began the episode in the form