B2ST members showed their support for Yoseob's solo debut!

Leader Doojoon started with, "Yang Yoseob is the best", and then wrote, "Yang Yoseob, do well!!!!!!!!!!! I'm addicted to Americano, so you'll succeed, fighting!!!!". On the 26th, he added, "Whoaaaaaooooaaaaaaa "Caffeine" is the besssssst keuahhhhh gwahhhh kyakyakyakya", amusing fans with his hyperness.

On the day Yoseob's album was released,�Dongwoon wrote, "Yoseob hyung's first solo album! It's been revealed. It's good, it's good. Applause to Junhyung and Yoseob for working so hard!"

Kikwang also added, ""Caffeine" is the best~~~~ kekekeke".

Looks like the B2ST members are just as excited as the fans on the new album!