So I'm guessing she's a transmigrated villain or extra whose goal is to "make the prince/villain happy" (hence, the title) by means of treating them right, improving their environment, have an unbreakable bond that leads to both of them blushing here and there for little to no reason at all AT SUCH A YOUNG AGE and the MC is a GROWN WOMAN (by means of soul)
So I'm guessing she's a transmigrated villain or extra whose goal is to "make the prince/villain happy" (hence, the title) by means of treating them right, improving their environment, have an unbreakable bond that leads to both of them blushing here and there for little to no reason at all AT SUCH A YOUNG AGE and the MC is a GROWN WOMAN (by means of soul)
If it's that predatory, please tell me