The S-Classes That I Raised

After a tragic life of struggle and loss due to his low rank and inability to contribute significantly in battles, Yoojin is granted a miraculous opportunity to return to the past. With his memories intact, he resolves to change his destiny and protect those he cares about, especially his younger brother, Han Yoohyun, who is an S-rank Hunter. Despite his own weak abilities, Yoojin discovers that he has a unique skill: "Caretaker", which allows him to raise and nurture the abilities of others, including S-class Hunters and rare monsters. With this power, he takes on the role of a mentor and protector, creating alliances with powerful Hunters and becoming a pivotal figure in the Hunter world....