this is disgusting. in the first chapter it's trying to show the MC in a morally good light, but if he were really good he would've saved her unconditionally, but this is a erotica so morals weren't a thing in the first place. ¯\(ツ)/¯
A woman has to be a mother to be called a milf, regardless of body type. This was either a mistranslation or the author doesn't know what the term actually means