Soulmates were a common occurrence, so common, in fact, that the world sought an easier way to find your other half: A bracelet that would scan your mark and match you with those who shared your mark. Within recent years, soul groups were becoming normal, and your own bracelet said you have seven matches. Or where you wear your bracelet for ten years, and finally give up the hope you would find your soul group, only for BTS to put theirs on and see what they were missing.