Duke Pendragon: Master of the White Dragon

🇯🇵白龍公爵ペンドラゴン · Hakuryuu Koushaku Pendragon

MangaFinished🇯🇵 First published in 2021ActionFantasy

Yuusuke Utsumi story · Yuukina Sumishiro art · Hyeong-Jun Kim story

After 10 grueling years as a monster hunter in the Devil’s Army, Raven Balt was given his final mission: guard Allen Pendragon, heir of a formerly glorious dragon-taming family. But when Raven and Allen are both killed as part of a conspiracy, Raven wakes up seven years in the past inside Allen’s body.

Synopsis via AniList