Winged joined the newly formed Jin Air Green Wings roster as the starting jungler alongside Chaser. The team participated in SBENU Champions Spring 2015 but Winged only played one game the whole season, which was against KT Rolster. Jin Air qualified for the playoffs but lost 3-0 in the quarterfinals to CJ Entus, ultimately placing 4th. Jin Air then attended SBENU Champions Summer 2015 but placed 6th overall, gaining 10 circuit points and qualifying for the next season of LCK but barely missing playoffs. Jin Air was seeded into the first round of the 2015 Season Korea Regional Finals and made it all the way to the finals but they lost 3-1 to KT Rolster. However, Winged didn't play in any of the games.
In the offseason, Jin Air lost several players including starting jungler Chaser. Winged, who was previously a substitute player, received the starting jungler position. Jin Air played in the 2015 LoL KeSPA Cup where they lost 2-0 in the quarterfinals to CJ Entus. Jin Air thencompeted at IEM Season X - San Jose, but they lost 2-0 to Counter Logic Gaming in the semifinals.
Jin Air started the 2016 LCK Spring Split strong, notably upsetting reigning world champions SK Telecom T1 on the first week. For the majority of the split, Jin Air held onto second place only behind the ROX Tigers, but fell down to fourth by the end of the season. Still qualifying for the Spring Playoffs, they beat the Afreeca Freecs 2-0 before falling 3-1 to eventual winners SK Telecom T1. This gave them a fourth place finish for the split.