Rotten Dollheart

"Hi, hiii! I'm Rotten Dollheart! But call me Rottie, okay?♪ Right now, I'm in a super mysterious place! I wanna show it to Mai and Liliana too! But don't worry. I'm doing fine! Say hi to my mom for me!"

A cheerful, caring girl who befriended young Mai when Mai traveled to Romania with her painter mother. They became best friends, with Liliana joining to form a tight-knit trio.

Later, Rottie visited Japan with her family—but she went missing soon after. Her case was treated as a possible crime, but after seven years with no leads, her trail went cold. Sayaka will end up investigating her disappearance. After reuniting with Mai and Sayaka, Rottie begins a new life—

But how will she handle the chaos that follows?