Answer
The answer is No.Mercy. No.Mercy is a South Korean survival reality show that aired on Mnet in 2014-2015. The show was created to form a new boy group called Monsta X, consisting of seven members selected from a group of trainees. The show featured various challenges and missions that tested the trainees' skills, teamwork, and adaptability. The final seven members were chosen based on their overall performances and public votes.