Hiro and his friends come to a lake where it is rumored that kappa haunt and drag humans underwater. Against Hiro's advice, Ruli goes near the lake at night, hears mysterious voices, and...
But why?
لكن لماذا؟
Aber weshalb?
Pero ¿por qué?
Pero ¿por qué?
Mais pourquoi ?
Ma perché?
Mas por quê?
Но почему?