why is it so hard to find a manga/manhwa with a good plot, characters, and development the...

I enjoyed this: https://www.mangago.zone/read-manga/survive_romance/
Mc gets so much development and there's well written side characters too. The plot is quite unique imo

https://www.mangago.zone/read-manga/emperor_and_the_female_knight/

1) Kukkoro Knight ☆ ~The holy knight wears black armor~

2)Safe as house

3)Hotaru no Yomeiri

4) Falling for Danger

5)The Queen's realms

6) Hero killer

*chants* Bring the love!!
https://www.mangago.zone/read-manga/bring_the_love/

White blood
Death is the only ending for the villainess
Hero killer (read on webtoon for free)
Crimson karma
The one within the villainess
Beware of the villainess

I usually don’t have a hard time finding good manhwas except when it comes to modern straight romance a lot of them suck but anyways, here are some good ones

https://www.mangago.zone/read-manga/hand_jumper/

https://www.mangago.zone/read-manga/cashman_of_a_ruined_game/

https://www.mangago.zone/read-manga/s_class_hunter_doesn_t_want_to_be_a_villainous_princess_speedcat_version/

https://www.mangago.zone/read-manga/untouchable_lady/

https://www.mangago.zone/read-manga/the_demon_king_s_confession/

kyokutou chimeratica
pyramid game
night of shadows
the demon king’s confession
i stole the number one ranker’s soul (romance)
girl crush
unlucky mansion (romance)

ive seen this be reccomended a MILLION times, but something is stopping me from reading it idk what