If i understand correctly, if Sung add someone to his team he can share EXP with him, so why don't he add Jin-Ho to his team to see if it can make him level up and maybe reach Rank A or even S?
I don't really understand the point of manga with 4 pages every 2-3 weeks... when do people or author plan to see the end of it? when they will be 120 yro?
WTF?