How to Train Your Devil v01-v04 (2019-2020)

English translation of the Japanese manga Maou no Mama ni Narundayo! (魔王のママになるんだよ！).
A hilarious fantasy manga about a heroine tasked with reforming a naughty little demon lord!
The last thing Zeno expected when she set off to slay the Devil King was that she'd become his mother. But it was either that or kill a one-year-old baby. And Zeno is no baby-killer - even if the baby is a pervert with a very lusty adult's mind!