A music unit consisting of Pusu on guitar and in charge of composing the songs, Rei as vocals, and miro on piano. The group was formed on June 12, 2019. Its name comes from the Japanese word for “rainy season” during which it was formed.

Currently has over 1,100,000 YouTube subscribers. In addition to its showpiece titled “Compared Child” (tr. the girl who gets compared) that has had over 43 million views, every music video that they've uploaded have been played over a million times. 're constantly ranked in both Japanese and foreign music distribution sites and appear in their popular playlists. A group of artists to keep an eye on with many fans around the world.