Two more trailers have been released for Heirs, the all-star DramaFever exclusive starring Lee Min Ho and Park Shin Hye.

The first (trailer 4, if you're counting), gives a glimpse at the brotherly rivalry between Kim Tan (Lee Min Ho) and Kim Won (Choi Jin Hyuk):

In the second trailer, we see what happens when Lee Min Ho's character returns from his studies in America to face down a "school full of demons."