This is just a list of manhwa/manga which has main character/s who gained a second life in the modern world setup.
Main Characters: Reincarnated/Second Life
Settings: Modern Society
The list is in no particular order.
Feel free to suggest anything in the comment section.
Only BL isekai, transmigration, regression, timetravel,
⁃ uke always horny > nonstop sex drive – literally *begs* be fucked!
⁃ sexy ukes
⁃ tight hole defiled
⁃ peachy/juicy butt
⁃ huge dick
⁃ buff/muscular ukes
⁃ submissive ukes (w/wo BDSM)
⁃ rapist/asshole semes
⁃ taller ukes
⁃ younger ukes
⁃ student a/o teacher ukes
⁃ childhood/school/college friends
⁃ dominant/strong ukes
⁃ cross-dresser ukes
⁃ demon ukes
⁃ sukes/sekes (versatiles)
⁃ fuck buddies
⁃ friends to lovers
⁃ coworkers to lovers