Not only Super Junior members, but other SM artists are showing support to Henry's solo debut. This time, it's his close friend, f(x) Amber.
Amber stepped out to display her support to her friend Henry through a selca she uploaded on her instagram. She wrote,
"Snoopy and I at music core~ Job well done today!"~ Calling Henry 'Snoopy', Amber might have some reason behind it. Are you also curious? Meanwhile here's their adorable photo from Music Core back stage.
Source: Amber's instagram