The former contestants of 'Produce 101' have come together to debut as new girl group Bulldok - and they've gone the total girl crush route!

They dropped "Why Not," which is a hard-hitting, catchy song with an upbeat instrumental. It starts off with an awesome rap and then goes onto catchy hooks while the girls dance in sexy all-black attire or 'Tomb Raider' cosplay.

Are you happy with the debut?