Gongbangui Manyeo

Afflicted by a generational curse, the Montrose family have searched far and wide for the last descendant of the witch. When Allan Montrose sets out on a journey to free his family from the curse once and for all, his path crosses with two others - Meedan, a young girl just figuring out her own family secrets, and Sean, who has been tasked with keeping an eye on her. The three are bound by fate - their stories entwined, with the tragic past of their families catching up to them ever so swiftly…

(Source: WEBTOONS)