-Both are bls, even though the untamed is sold as a bromance;
-It involves reincarnation;
-In both, a tragedy occurs that leaves the couple separated for years;
-One part of the couple remembers all the events that took place, while the other part doesn't have much idea of what really happened.
In The Untamed the couple has incredible chemistry and the story has a lot of time to be well developed, it's really worth giving this bl a chance, even if there are no kissing scenes.