The OTMGirls were once a well known underground idol group when Retsuko was part of their group. But after Retsuko left them, their fame went away and after gaining weight, they found work at a cafe where they can eat with customers.

Manaka is a female anthro chinchilla with pale turquoise fur & light brown eyes.

Hidarin & Migi are female anthro guinea pig twin sisters, except Hidarin has gray and white fur, while Migi has light beech and white fur.

They are each 3 feet tall.