잊혀진 세계의 구원자가 되었다 (Associated Names)

[Repeated times are discarded] [Skills are given randomly] World No. 1 Kim Dojin, who died every time he regressed. His ghost appeared in front of me. On the condition of becoming his disciple, he said he would help cure my younger sibling’s illness. But… he asked me to find the traitor hidden among the seven…