Season 1 of The Hidden Character premiered on April 22, 2023.

The Hidden Character (THC) is Be On Cloud's first reality show, featuring 11 new cast members who auditioned in the Be On Cloud Global Audition, selected based on their unique charm and spontaneity. The THC Boys will gather and do activities together in the program that will be suggested by KinnPorsche The Series seniors. Audience will witness the development of relationships in different ways, intense drama, spontaneity and realism of the 11 members. They will be paired together to help each other through the toughest tests. Fans will participate in voting to determine their favorite people and partners for different roles in the next series.