Both shows focus on gaming and the gaming industry while one is professional gaming and the other game creation. Both male leads are very charismatic and intelligent. The shows spend time on the characters around the leads and how they work together. Though there's more drama in Gank Your Heart than in Love O2O

If you enjoyed the gaming aspect or the team and comradery in The King's Avatar then you might enjoy Gank Your Heart. The genres are similar except for the fact that Gank Your Heart also has an added romance factor. Aside from that the shows actually have similar themes.

The two main characters in both shows share similar personalities, abilities, and color schemes. Both shows also share some of the same genres. If you enjoy the characters in The Untamed I'm almost certain you'll like Handsome siblings.