Momoko was born on March 3, 2003, in Fukuoka but moved to Kanagawa when she was 3 years old. She can dance, double dutch and roller skate.
Momoko joined Amuse in 2014, and on May 5, 2015, she was a Sakura Gakuin transfer student during Sakura Gakuin 2015 Nendo ~Transfer Ceremony~. In 2017, she was appointed as the Ganbare! Chairman.
With dancing, she sometimes produces the dance selection unit during performances. She also does the choreography and directs the lighting.
After graduation, Momoko left AMUSE to study abroad, before reappearing in July 2019 as a support dancer for BABYMETAL.
On July 8, 2021, she was revealed to be a contestant on South Korean survival reality show, Girls Planet 999. However she was eliminated on Episode 5 after her rank failed to make the cut off. Overall she ranked 21 out of the J Group trainees.
She also became a regular model for LOVE BERRY from 2016 until present.
Momoko was in the CM for "Bandai 'TAMAGOTCHI 4U'".
On TV, she appeared in the mini-corner of "12 years old. ~small chest heartbeats~" (12歳。～ちっちゃなムネのトキメキ～).
She appeared in episode 3 of the show "咲-Saki- 阿知賀編 episode of side-A" as Hyakka Kurumai in 2017.
She appeared in "Itazura na Kiss THE MOVIE" as Rika Irie in 2016.
She then reprised her role as Hyakka Kurumai in "咲-Saki- 阿知賀編 episode of side-A" in 2018.
Momoko played the role of Elizabeth Midford in "Black Butler Musical ~ Tango on the Campania~ from December 2017 - February 2018.
She was in charge of singing and dancing in the video for "Guchokipa de Pumpkin" (グーチョキパーでパンプキン) for "Jimajirou no Wao".
- After graduating from Sakura Gakuin, Momoko went to study abroad. Supposedly in Australia or New Zealand.