Azerial_0
It's amazing how most of the authors on this site seem to have some fetish for kohta, they always want to bring you to the group or help you in some way.
His missions only include saving their lives, not training and giving them skills or anything, he doesn't need a random guy for his group, he will already have a very OP army, if he wanted someone with weapons knowledge (basically his only one useful "skill") he could get a military or police officer for his group and that would solve the problem.
Kaiser0000:You are forgetting about his missions, that's already reason enough.