yes, it's  yook sungjae. i fell in love with this maknae last year. i think.
he's too adorable and ohmaigawd his smile is magnificent. (｡♥‿♥｡)

and also i ship him with minhyuk after watching this video.
his voice is also amaziiing.

I bet Peniel didn’t even mind telling you what the hell your hat says… it’s okay. (*´・ｖ・)

so whut is btob's official fanclub name guys?
i don't know and i'm too lazy to search LOL