Umine Kouki (海音聖), also known as Umineko (うみねこ), is a member of cosmic!!. He joined the group on June 30, 2018 as a trainee, but left in October of the same year due to personal circumstances. On January 19, 2019, he officially returned to the group.
Profile[]
- Name: Umine Kouki (海音聖)
- Nickname: Umi-kun
- Birthday: April 2
- Birthplace: Chiba, Japan
- Zodiac:
Aries - Member Color: Orange
- Familiar: Eight
AriesGallery[]
Familiar "Eight"
.jpg "Cosmic!! Umine Kouki (December 2019).jpg (124 KB)")
December 2019, Holy Costume A
September 2021, Fancy Mermaid Costume
February 2021, Please Please Costume