He had completed his military service (from 2014/07/01 to 2016/03/31)
He was a participant of “Produce 101 Season 2”
Hweseung and Lee Hong Gi had released the song ''Still Love You'' as part of a project called ''FNC Lab''
Hweseung had participated several times on the show 'Immortal Songs' and earned the title of the '2019 Super Rookie', he won once with a cover of 'We are the Champions' by Queen
He played the male protagonist 'Galileo' in the musical 'We Will Rock You'