BTOB's 1 Year Anniversary celebrated on twitter

BtoB celebrated its first year as a K-Pop group on March 22. They debuted on March 22, 2012 with 'Insane'.
Peniel, one of the members wrote on twitter, “Woo!! 1 year since our debut! Wow… Congrats to us! :) haha :P kudos to everyone that has supported us then and now! We promise to maintain our hard work, so expect too much from us alright? ;) thank you guys so much!! :D”
Congratulations BTOB! More years to come. 
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