The solo project of Rin, guitarist of Billyrrom, a band that has performed at major festivals such as FUJI ROCK FESTIVAL and SUMMER SONIC, and was selected for Spotify's "RADAR : Early Noise 2025".

With a Style that fluidly shifts between rap and singing, Rin crafts songs that elevate into pop while capturing wide attention. In 2025, their releases surpassed an astonishing 264 million plays on TikTok, reaching #3 on the TikTok music chart.
In January, Rin held their first self-produced event, which sold out, further establishing their presence as an artist gaining momentum both on social media and on stage.