Touch a soul

Soulmate Pronunction: /ˈsəʊlmeɪt/ A person ideally suited to another as a close friend or romantic partner. In other words what Adrien is for Marinette.

In an alternative world, everyone has a soulmate.
They are easy to identify, the pair has an identical mark in the same part of the body with their soulmates name below.
One day the mark of Marinette Dupain-Cheng appears, three waves, now it's her turn to find the other person with the three waves, in other words her soulmate.
Or will she be found, first?