Please gimme some recs

1.At the End of the Road
2.Film Emperor's Reincarnation Script
3.Fail the Mission, Fall in Love
4.I Have to Be a Great Villain
5.To Be or Not to Be
6.The Scum Villain's Self-Saving System
Maybe you already read some of these or maybe all of them but I hope this helps if you haven't

I don't know what you mean by transmigration but if it's "soul end up in another body" then I have quite a few recs

https://www.mangago.zone/read-manga/approximal_guide/
esper/guide verse - soldier dies, soul ends up in a body of another soldier, gets paired up with a trainee from past life

https://www.mangago.zone/read-manga/i_became_the_lousy_side_top_official/
I can't remember but it was slice of life and fluffy and cute

https://www.mangago.zone/read-manga/kill_the_lights/
I can't remember either but it was in my list

https://www.mangago.zone/read-manga/monochrome_rumor/
same with this one

https://www.mangago.zone/read-manga/summoning_a_bl_fan_to_another_world/
bestiality - dude got ran over by a truck and went to another world where everyone is kinda half-animal

https://www.mangago.zone/read-manga/a_gloomy_delusion/
was just in my list

https://www.mangago.zone/read-manga/geu_kkeute_issneun_geos/
bullying - dies to a truck and wakes up in another body, meets long forgotten childhood friend from past life at school

https://www.mangago.zone/read-manga/how_to_be_the_chosen_one/
honestly can't remember but mc is trying to maintain their disguise as a god, some sexual cultish practices, some elements of survival, and the art is beautiful imo

https://www.mangago.zone/read-manga/see_you_my_king/
fantasy? historical? - can't remember, it was kinda confusing but the mc is headstrong in this one, there are multiple side couples

https://www.mangago.zone/read-manga/grieving_you/
university - mc dies and wakes up in another body, goes to uni and meets an old friend grieving mc's death

https://www.mangago.zone/read-manga/eternal_covenant/
fantasy - magic - honestly can't remember but if you read akatsuki no yoga, it's a little like that but without the contracts

https://www.mangago.zone/read-manga/the_mountain_branches_dream_of_goblins/
supernatural - mc meets a goblin who claims the soul of a dead lover is in his body