Sou

A girl Meito meets in the grassy plains of the world of shadows. Given that she suffers from amnesia, her identity and other specifics are unknown. She ends up getting to know Meito and the others by chance and eventually begins to hang around with them. Despite her childish appearance, she’s quite experienced with dirty jokes and often teases Meito with them.

Sou is goofy and mischievous with a vulgar sense of humor, often playing pranks on Meito.