Pearly

-Quirky private detective and sweet assistant
-Assistant enamored with detective(with less reciprocation)
-Elements of romance
-Episodic plot/crimes
-Comedic elements
-Open ending in regards to romance
-Large over reaching mystery

-Private detective and sweet assistant
-Elements of romance
-Episodic plot/crimes
-Comedic elements
-Twist that makes FL uniquely suited to job(memory loss, ability to distinguish lies, respectively)
OKnB is a modern detective story with memory lost twist while UR is a historical drama.

-Private detective and sweet assistant
-Elements of romance
-Episodic plot/crimes
-Comedic elements
BTAG is more modern and culinary based while UR is a historical drama.

If you loved episode 13 of Perfect 10 Liners, no spoilers, you'll love Love Mechanics. All the same angst and torment, but loveabilty of the characters are the exact same.
(Specifically the 2nd couple of Yotha and Gun)
-College Romance
-Green Flag Besties
-Great Chemistry Between Leads
-Mutual Hurt between leads, makes them bond

Similar premises. LfLS takes place in a video game(based on a novel) and Extraordinary You takes place in a comic. The main characters in both are aware that they are in a fictictional world and have to change the original story in order to live.

-Both are supernatural romances with one person living for hundred of years and the other being a high powered CEO and heir to a fortune.
-Murder plot mystery
-Opposing personailty secondary couple including a secretary
-Traumatic past lives
-Call backs to Korean culture and history
-Lost memories of first life
-Mysterious person who knows more than let on about the supernatural
-Strong female characters