the yaoi life chose me's activites

This list is not exclusively isekai.
(transmigration, reincarnation, regression)

May include:
Heroes and demon kings
Magic and/or magical creatures 
Villainesses
Dungeons and towers
Zombie apocalypse

May or may not include harem (mostly not).

Will SLOWLY rate one by one.

I like reptiles and i like snakes, so i like this.
I like good plot and i like good art, so i like this.
Conclusion
I definitely like this

UGLY BASTARDS WITH UGLY PERSONALITIES SHOULD DIE

This can't be the end....
Where's the rest of it...
I need more, MORE
ಥ╭╮ಥ

Yaoi manhwa about being transported into a novel to save the 2nd male lead (ML) that's blonde from suicide, mc is black haired.

Saw on reels but was unable to return to it, pls help

One of the few manhua i am willing to read.
Great plot, progression, and art. Perfect.