Child MC

Guilty please manwha with an unrealistically genius child with past memories in modern day Korea

5 yo with a brief glimpse of a past life, so all he gained was a lil more common sense (still child)

a modern doctor transmigrates into a young commoner's body in his favorite Murim novel

shounen, action, & OP MC in child body
read if you love stupidly smart kids slowly making a huge name for themself

also, he does slowly grow up throughout the series, not entirely spent as a child

one of those modern women transmigrated into kid body in medieval world, except its in my top 3 list of favorite versions of it

very family-coded, drama, powerful woman, father-daughter combo, childhood trauma, underdog, commoner-to-nobility, & other themes

no romance for MC in sight (at least not that I see yet)

MC slowly grows throughout series & isn't a small child anymore (in recent chapters)

a child who was literally whipped into shape & forced to mature into the world's savior

an action that subtly and slowly turns into a romance

OP MC in terms of physical power, not OP in terms of emotions or knowledge

very traumatized kid who needs to learn that he's allowed to have a childhood too

before reading, get ready for TONS of religious references and biblically accurate stuff

modern, adult woman who's a HUGE book nerd transmigrates into the body of a young, frail, chronically ill child in a world without books

OP MC in terms of knowledge, definitely not physically OP

expect lots of merchants vibes, inventing vibes, family, commoner & nobility, and big cultural world building