He is bronze medalist of 2018 CS Asian Open Trophy, and competed in the free skate at two Four Continents Championships (2015, 2016).

Due to the big margin of points obtained in the short program, he could keep the lead and won the gold for the first time internationally.

Byun began his new season at the ISU Junior Grand Prix qualifying competition held in South Korea.

[2] He came in fifth at a qualification event, 2015 KSU President Cup Ranking Competition,[3] which gave him a spot to compete at the 2016 Four Continents Figure Skating Championships to be held in Taipei, Taiwan.

Then, he placed fourth in total, which meant he kept his spot as the Korean national team member for the upcoming season.