Koyama Momoyo (小山 百代, First name: Momoyo, Last name: Koyama) born November 30th, 1995 in Hokkaido, Japan. She is most popularly known as the eighth actress to play as Mizuno Ami/Sailor Mercury in the Sailor Moon musicals. She is signed under the agency Stardust. She is an actress and a seiyuu. She is the leader of the Stardust Promotion’s seiyuu unit “SoundOrion” that was formed in 2016. She is often called Momoyo-chan (ももよちゃん), Moyo-chan (もよちゃん) and Moyomoyo (もよもよ). She plays and voices the main character in Revue Starlight, Aijo Karen.

She loves Ramen. She looks up to Mimori Suzuko a lot. She tells that at the start of the project, no one knew each other and Mimorin helped lighten up the atmosphere. She connects everyone together in this project.

It's tough for me to be part of a stage play and an anime as I'm not used to it. But I'm doing my best to face the new difficulty and become better at it. The final result will be a wonderful Revue ! I hope we'll be able to produce a great anime and stage play. Please look forward to it!