Both are mini Chinese dramas.
Modern day FL transmigrated to novel /comic .
Both are married to ML who is Villain of the story.
Both FL try to change the story and make sacrifice.

concept for both show is end of the world.

difference is Bokura no Micro na Shuumatsu is BL drama and goodbye earth is not. there is lesbian character in it but it's not main part of the story.

Goodbye earth is thriller / psychological drama but other one is focused on romance.

- both have school violence
- both are set in high school
- both have suspense and mystery
-The FL is popular in their school.

destiny seeker very similar to like BBS .
In DS instead of faculty rivalry its dorm rivalry with more couples and skinship.
also sometimes they pretend not to like each other because of friends and family .
one difference is BBS also has GL couple.

Similarities are both dramas are BL and Time travel dramas.

Differences :
history 1 is Taiwanese drama . time travel is accidental . and already established relationship between MLs before time travel

Be my favorite is Thai drama ML actually want to travel to past to make changes and win FL's heart but instead develops relationship with his rival in love ML.

similarities
-> ML's looking handsome in suits
-> Kinn and Nawee both want to employee porsche and Aiaoon respectively (different reasons) and use different methods for that
-> Aiaoon and Porsche both has younger brothers . kinnPorsche family have past similarly Nawee Aiaoon family has past
-> Nawee and Kinn fathers of these two are in negative role and jerks

differences
-> Kinnporsche is more darker than tuxedo
-> kinnporsche has better cinematography and more real story
-> kinnporsche has more budget and better acting and comedy

Similarities
- enemies to lovers
- boss-employee relationship
- bl

Differences
- Step by step is Thai ROP 304 is Korean
- ROP 304 has the tenant-landlord relationship trope

Both have Boss-employee relationship and workplace romance .
Both are romcom but TDWBMD has fantasy elements .
Step by step is Thai BL and TDWBMD is Korean BL.

In Until we meet again BounPrem are side couple. in Even sun they are main couple .
in both their relationship is rom-com.

Both have rich male leads. Both MLs are CEO.
Pretending to be couple / contract dating .
MLs falls for FLs first .

Even if one is medical drama and other is not .

There are supernatural elements in both.
Both dramas have fantasy and comedy elements.

Main similarity I find is Bromance in both dramas. Its hilarious.

Both shows are medical dramas.

There is also mentor mentee theme in both drama that I love.
Both dramas have smart and strong MLs.