That's what friends are for. Just be aware of the difference between friendship and being used as a tool.
Of course, sometimes loyalty can be strong enough that being used as a tool is something you can be ok with - especially if that aligns with your interests to begin with.
Well he turns them all into murderous psychopaths with brothercomplex, or more presily yandere brocons. Guess thats less terifieng than my actual sister who wants to kill me purely because I exist.
@Hamin Ah, this is similar to eminence in the shadows i guess. Only difference being the MC being completely ignorant of his actions and the results lol
Too bad the series went into an indefinite hiatus... too many novels i pick up go into hiatus and just die... it's sad.