Rihyeon

On June 29, 2023, Donghyeon was revealed as a member of the then upcoming boy group EASTSHINE. However, he ended up not being part of the lineup as he did not appear in the jacket filming for the group's debut album. On April 16, 2025, LEVERGENT announced that a new member was added to the lineup through a photo on their official Instagram account.

The new member was identified to be Rihyeon as he shared the same photo on his personal Instagram account. On May 8, Season Five officially introduced Rihyeon as a member of LEVERGENT. On October 17, the group announced that they would release their first digital single titled "Vroom (No Break)" on October 24, 2025.