The musician has signed to Highline Entertainment.
Wonho takes next career step by signing solo contract with Highline Entertainment
Monsta X Played Who's Who And Spilled The Truth On Each Other - Yahoo Sports
Wonho (singer) - Wikipedia
Former MONSTA X member Wonho signs as a solo artist under Highline Entertainment
Wonho, Former Member of Monsta X, Embarks on Solo Career With Highline Entertainment
Wonho Unveils Fresh Profile Images Under New Label
Wonho formerly of Monsta X: how fans' love helped singer overcome personal problems to start new solo career, South China Morning Post
Ex-MONSTA X Member, WonHo Signs With Highline Entertainment - Kpopmap
Ex-MONSTA X Member, WonHo Signs With Highline Entertainment - Kpopmap