Momoka is a short girl with brown hair and eyes. Her hair is styled in pigtails supported by two pink hair accessories.
She has a loving and charming personality and cared a lot about Diva.
Momoka was helped by Diva once when she got lost in NiaLand. Since then, she has grown attached to her and deeply cares about her. She wanted to hear Diva sing on the Main Stage and gave her the nickname Vivy (ヴィヴィ). She dies in a plane crash at the end of episode 2.