Both are related to hong kong internal security
One is hong kong immigration and other is hong kong customs department...........

Both are police dramas of hong kong with a big villian boss at the end..................
Both have pretty good cast

Similar vibes with older jiejie and younger guy. Office workplace. Just hope Sweet and cold has a good ending like why women love.

Similar vibes with older jiejie and younger didi, office drama and modern workplace....................................

Similar vibes and productions. One is about airport and related stuff the other is customs amd smuggling.

Both are start ups and multiple mains
Both have chaebol in background.........................
But one is korean and other is HK

Similar vibes like programming and couples
But one is investigation and other is startup...................

Both have family vibes and are 50 episodes. Althought 5 enough is about 2 people and their 5 kids but its beautiful now is about 3 brothers and long lost daughter

Both have similar vibe cause the fl has a side guy and the main man is some office worker. Just that in KWP she ends up with the young guy but in Kareshi wa loan it gets a meeseed up ending. But i enjoyed watching both.

Both have teacher and student relationship
Probably difference is that here student is student but the one im recommending the student is an adult.

Same ml
Same plot with rich boss and middle class fl
Both are fluffy
But i enjoyed PFaEMr.Gu more cause of zhao lushi.

Both have similar vibes of a young guy falling for elder girl
Both have multiple couples
Both are office drama................