Seirei Meikyuu no Shinen wo Koete

The protagonist of "Seirei Meikyuu no Shinen wo Koete" is a slave boy named Alva. Due to certain circumstances, Alva is hated by the townspeople and is wanted dead, so he is forced to hunt monsters every day in harsh conditions. However, Alva steadily grows stronger as he fights, hovering close to death. The kingdom is desperate to kill Alva, who continues to survive no matter how cornered he is, but then he has an encounter that changes his fate.

(Source: Natalie, translated)