Over the Top acting, music and comedy. Both have been over-dramatized but that's what makes them enjoyable. Romance doesn't take priority in either. There is unlikely bromance in both.
Pegasus Market is in a corporate setting while Fiery Priest is more of a political setting. There is a serious tone to Fiery Priest while there is nothing serious about Pegasus Mart. Pegasus Mart follows a satirical storytelling while Fiery Priest is quite straightforward.

Jang Hyuk is the main lead in both dramas. Corporate money game is the genre of both dramas. A less intense love triangle in Midas. Main leads restrained romance to older female characters in both dramas.