YsR

YsR(仮) was a Japanese vocal and dance boy group formed on August 1, 2017. They stopped their activities in 2019. The name of the group is an acronym for "Young's Revenge".

Several members became part of the line-up for the group THX in 2020.

Final line-up

 * Ryo
 * Uan
 * Tsubasa
 * Neon
 * Maki (currently member of BLACK IRIS)
 * Ruki (currently member of JO1)