Hyunseung knows how to celebrate his first performance on 'Music Bank' with his solo debut track "Flower"! The celebration marks the beginning of his solo career.

He and B2ST's Yoseob, was their to witness his first performance and decided to celebrate it with coffee and cupcake and also holding aB2ST banner. For some who didn't know, Hyunseung is known a coffeeholic which makes it more helpful for him to compose beautiful music and fans also made sure that everyone on the staff has enough for this celebration. 

After his performance "Flower", Hyunseung shared, "I was really nervous since the rehearsal, but I got a lot or strength from your support."

That's very sweet of Hyungseung! Fighting!