Aginimui Jangnaehuimangeun Heungmak

The martial arts world's most dangerous mastermind finds herself reborn in the weakest possible form: a tiny toddler and holy monarch’s successor, destined to die young. But Dan-Ye Jin didn't survive centuries of martial arts intrigue just to accept defeat in diapers. Armed with ancient techniques and disarming baby charm, this mysteriously capable little girl is turning imminent death into the realm's greatest adventure. Who knew saving yourself could be so adorably dangerous?

(Source: WEBTOON)