Suk "Hipo" Hyun-jun played for Young Boss as a top laner in the 2015 LoL KeSPA Cup. They lost 2-0 in the first round to CTU Pathos. Hipo left YB to join e-mFire on January 5th, 2016. In February, the team found a new title sponsor in Kongdoo and renamed to Kongdoo Monster.
During the 2016 LCK Spring Season, Kongdoo Monster went 1-17 in sets, ending in last place. This forced them to play a relegation match against challenger team MVP, who defeated them 3-1 and relegating them to Challengers Korea 2016 Summer.