Well apparently she's 15 and he's 18 but there is a bigger issue despite age gap being 3 years a 18 yr old beds a 15 yr old it still pedo, but the main issue heroine was slave got adopted by duke gaining status to marry prince, now this became 15 yr old former villainess turned heroine still slave at best commoner goes into heat over 18yr duke's heir while mooching off them.
If she doesn't get adopted she's a selfish leech and a gold digger.
If she does she cant bang the guy who looks old enough to be her father but is apparently 18 which is a lie and if not he wont age well when she's 25 he'll look 50-60, its clear the artist is stretching age look to make her child-like and him middle age hot guy steriotype in mangas.
If she doesn't get adopted she's a selfish leech and a gold digger.
If she does she cant bang the guy who looks old enough to be her father but is apparently 18 which is a lie and if not he wont age well when she's 25 he'll look 50-60, its clear the artist is stretching age look to make her child-like and him middle age hot guy steriotype in mangas.