Recommendations

Hi My Sweetheart and Why Why Love have several common characteristics
-Both feature Rainie Yang as the lead actress with romance stories between several male actors
-Both use simplistic Taiwanese dialogue that is easy to understand and follow
-The heroine encounters multiple loves scenes between the guys she interacts with

Corner with Love and Hi My Sweetheart has multiple similarities:
-Both shows feature Show Luo in a romance with a lead actress from Taiwan
-Both shows use simplistic Taiwanese phrases and languages
-Both feature multiple loves between the heroine and male actors

Both are historical dramas formed around the theme of two friends fighting one another during a period of political change. These two former friends also have their eyes set on the same woman.

Similarity
* Both dramas have leads parent framed by rich family
* Both drama has the reward of punishing the Antagonist in the last few episodes

Similar Plots
* Leads Mother is murdered
* Deals about corruption and power

Not Similar
* Does not have a rich family

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.

So far it seems like the transition and shift of dynasty similar to 6 Dragons especially with the mention of Yi Bangwon/Lee Bangwon (Jang Hyuk hyung). Hence I find Seo Hwi similar to Lee Bang-ji & Nam Sun Ho similar to Moo Hyul of of Six Dragons, respectively.

The romance in The Crown Princess is similar - with its very restrained noble love, "never step out of line before we're free to be together" vibe, but it's more extreme in the Crown Princess. Both involve court intrigue, military men, lovely costumes, and couples determined to put the whole kingdom before their own love interests. Crown Princess is a hate-to-love, but Legend is not.

It is both a fantasy genre.
Also both are about mermaid and meets human beings.
so if you are interested in mermaids and sea life this is a match.

It is both a fantasy genre.
Also both are about mermaid and meets human beings.
so if you are interested in mermaids and sea life this is a match.

It is both a fantasy genre.
Also both are about mermaid and meets human beings.
so if you are interested in mermaids and sea life this is a match.

Both movies tell the story of three oddballs and their slightly absurd journey. Both productions have awesome OSTs

Both movies tell the story of clumsy air-headed women who do their best trying to fulfill their dreams and become flight attendants.

Both shows are heartwarming, healing family shows that tell two stories simultaneously - the past, and how it affected the present.

Both movies have the same kind of 0 to 100 mph intensely passionate romance, though it starts more slowly/awkwardly in the Intimate Lover. Both deal with infidelity and have mature scenes, but Obsessed has more artfully done ones. These are good movies for watching couples deal with sudden, overwhelming attachment to one another.