S4, E3: A younger brother and sister live with their older sister, parents and grandmother who all have personality problems; one night, Akira sees his mom holding a straw doll, and then the next day, their grandmother disappears.

S4, E3: A younger brother and sister live with their older sister, parents and grandmother who all have personality problems; one night, Akira sees his mom holding a straw doll, and then the next day, their grandmother disappears.