Reo

On October 24, 2023, Reo was announced as a member of 24kumi, the then-upcoming boy group under HYBE Labels Japan (now known as YX LABELS). However, 24kumi disbanded in early 2025. On February 2, 2025, Reo was announced as one of the 11 participants of the audition program titled Oen-High.

The results of a public fan voting for the final two members of aoen were announced during a live broadcast of 's show DayDay. which revealed he ranked 7th overall, thus making him a part of the debut lineup. The group made their debut with the single album "The Blue Sun" on June 11.