Umisea

Umisea is a subgrouping of Hololive talent. The group was revealed on September 14, 2021 along with an original song '''浸食! 地球全域全おーしゃん (Domination! All the World Is an Ocean). ''' Sakamata Chloe was added to the subunit for the release of the second single ICRAIGK.

Naming
The groups was named "Umisea" due to their members featuring "ocean-related similarities".