Recommendations

Both FLs escape death after betrayal and assume the identity of the abandoned dead daughter of a wealthy household in order to get revenge for both her and themselves. Both MLs are mysterious figures.

Both MLs have swords/spears through their chest from how they died that only the FL can see and remove.

Same ML actor
Time travel plot where the FL transports from adult life back to university days
Touch seems a little more mature

Both of the shows main guy is Lee Junho, so if you enjoyed his acting in one you might also find the other really good. For his character love pushes his character to confront his past wounds, trust issues, or insecurities, which creates some character growth.
His, Lee Junho, chemistry with the lead actresses are amazing and can be seen in both shows already from episode 1.
King the Land lightly touches on corporate and family expectations, while Tycoon Family goes heavier into internal conflict within the company due to the IMF crisis so in that sense they are a bit different.

- Monster next door is the main leads first drama as a pairing.
-Both dramas have a kind and patient main lead.
- Both have humor and light hearted theming.
- Both are about two polar opposites: MND: (introvert and extrovert) MAW: (poor and rich).

Both are taking place into the acting world, with one character being older, in their role of mentor toward a younger one with a bit of an enemies to lovers trope

The FL knows the ML is destined to die, so she tries everything to save him. Set in high school, with a bright FL and a gloomy ML. Both boys were rising athletes before giving up their dreams. Just watch??

Both are cute and good to watch
Ml and fl have great chemistry
Focus on beauty
Romcom
Nice story

- Both dramas feature a dark, complicated female main character who uses manipulation to get what she wants.

-Both are psychological thrillers that delve into the complex minds and motivations of their protagonists, often exploring how past trauma influenced their development

-Anna focuses on a woman who lives an entirely fabricated life, while Dear X explores a top actress who hides her cruel, "devilish" side behind a perfect public persona.

Both dark, psychological thriller genres and exploration of morally complex female characters driven by past trauma.

-Morally Ambiguous Protagonists

-The Use of a "Mask": In Mask Girl, the protagonist literally wears a mask while performing online to gain confidence and a different identity due to her appearance-based insecurities. In Dear X, Baek Ah-jin is a top actress who hides her cruel, true nature behind a beautiful, angelic public persona.

-Trauma as a Driving Force

-Focus on Consequences of their actions

In both dramas, the male lead travels with guilt of female lead's death or being unable to save her; also, while travelling to the past, they both unravel the mystery of FL's death.

Childhood best friends. The cool, smart one and his average, dorky friend - Yamato and Kakeru.
This is PEAKKKK!

Hioki, a second-year high school student, is separated from his close friends in class and finds himself alone when it comes to deciding on groups for the school trip. However, he is invited by a boy from the same junior high school to join a group of four handsome guys., who are known as the "Four Heavenly Kings." However, one of the four, Watarai, always looks out for Hioki, and they gradually become closer...and...rest you wiII find out

If you loved Top Star Yoo Baek, you’ll enjoy The Potato Lab too, it has the same comforting ‘city person heals in a rural place’ vibe, warm local characters, and a gentle romance that slowly grows in a peaceful countryside setting~ ?

Both drama, the male lead are like detective /police in the historical period. Both has funny comedy and serious elements. Both male leads are quirky, good looking, good martial art. Both female leads are cute, innocent a d pure at the beginning but grow to mature level