MaRiNaSu

MaRiNaSu (まりなす) is a Japanese virtual dance and vocal unit produced by Avex. The group's name is an acronym of all its members: Kaname Mahiro, Toma Rin, Otonoha Naho and Suzuna Subaru.

Background
The group's YouTube channel started as Kaname Mahiro Channel (奏天まひろチャンネル), an individual account for Kaname Mahiro who began her activities on August 17th, 2018. The other three members, Toma Rin, Otonoha Naho and Suzuna Subaru joined on December 25th to form MaRiNaSu (Tentative) (まりなす【仮】) and the channel's name also changed to reflect that.

2019
On December 14th, Kaname Mahiro announced her going into hiatus, assuring that it's not due to negative reasons.

2020
On March 21st, Kaname Mahiro resumed her activities.

2021
On March 28th, the group officially adopted MaRiNaSu as its name, dropping the "(Tentative)" disclaimer.