'Wonderful Days' Cha EUN WOO (ASTRO) releases a perfect behind-the-scenes cut to console the disappointment of the broadcast hiatus... Interest is gathering in Sowon's future changes

A behind-the-scenes cut of Cha EUN WOO (ASTRO), which comforts the unsatisfactory feeling of the broadcast suspension of ``Wonderful Days,'' has been released and is attracting attention.