Read manhwa The Third Prince of the Fallen Kingdom has Regressed / The Three Princes of the Fallen Kingdom Have Returned / Rise of the Fallen Kingdom’s Third Prince / 멸망한 왕국의 3왕자가 회귀했다
From the stuido that brought you Moon-Shadow Sword Emperor and The Legendary Hero is an Academy Honors Student.]
Yuri, the unruly third prince of the fallen Briol Kingdom.
After meeting his end while wandering in guilt, he ended up regressing to the spring of his 13th year, before the Empire’s invasion began!
“Briols do not abandon honor, even in death.”
One harrowing regret is enough.
The kingdom shall be saved from ruin!
Ghost
First 20 chapter seems ok