Bakugo's mother, Mitsuki, stands beside him, stressing greatly. At the age of 18, everyone receives 'challenges'. They must play the 'challenge' correctly in order to advance from the level. Each 'challenge level' is harder than the first. If you succeed in 3-4 of the 5 'challenges', you will meet your soulmate. However, if you fail.. You will not earn a soulmate. But for population control, the gov has started to kill 'soulmate-less' people.. Katsuki is about to receive his first 'challenge'..