On May 22, girl group LUNARSOLAR's agency J Planet Entertainment released an official statement announcing the girl group's official disbandment. 

The members Eseo, Taeryeong, Jian and Yuuri have decided to part ways as the agency terminates their exclusive artist contracts. 

The full statement reads:

The four-member group was previously known as Rookie Planet and First Love, debuting in September 20, 2020 with debut single "Solar: Flare." Wishing all the members all the best in their future endeavours.