Lmaoo, but no I get you. In an ideal world a "no" would suffice. But sadly were arent, and for the plot it would have made more sense for the mc to fight more especially because his character is someone that goes head on and always tries his best.
For him to not even hit anything, at least a "I have no strenght" thought bubble would be acceptable for his "non defiance" obvy a "no" to a crazy mafia boss wouldnt be enough xD

Im at chapter 11 and I am soooo fucking annoyed.
Like wtf?!?!?
Spoiler ahead:
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Why cant he just literally tell him, that he is acting like the ppl that drugged him? He just keeps saying no, and not kicking and screaming? This is so fucking annoying..