Dollar$

, formerly known as WIWI and SHUGYO Sou Project (SHUGYO争プロジェクト), is an idol boy group formed in spring 2018.

On December 20, 2022, they announced their current system would end on December 27. They changed their name to Dollar$ and unveiled their new system starting December 28, 2022.

Current Members

 * YU-TA (Founding member)
 * Mizusawa Aito (水沢藍人; ) (Joined April 1, 2019)
 * Akamine Tomoki (赤嶺友紀; ) (Joined August 11, 2019)
 * Shiromiya Reo (白宮礼渚; ) (Joined April 18, 2022)
 * Isshiki Eisei (一色瑛聖; ) (Joined December 31, 2022)
 * Mori Kanato (森叶音; ) (Joined December 31, 2022)

Former Members

 * Yamato (大和) (Founding member; left February 5, 2019)
 * Kikuchi Kyohei (菊池恭平) (Founding member; graduated August 31, 2019)
 * Aoyama Sakuya (青山咲也) (Founding member; graduated August 31, 2019)
 * Haga Ikuya (芳賀郁哉) (Founding member; left 2019)
 * Sinfy (シンフィー) (Founding member; withdrew January 11, 2020)
 * Tsushima Hijiri (對馬聖; ) (Joined April 1, 2019; graduated December 27, 2022)
 * Kudo Toya (工藤桃矢; ) (Joined October 27, 2020; graduated December 27, 2022)
 * Taniuchi Hayato (谷内勇斗; ) (Founding member; graduated July 6, 2023)

Albums

 * 1) [2020.07.24] Pien (ぴえん) (as WIWI)

Singles

 * 1) [2021.11.29] Chodokyu Taster (超ド級テイスター) (as WIWI)
 * 2) [2023.07.01] SiREN (as WIWI)