Executing him on the spot would had been preferable, shows how far you will go as to survive, sends a clear message to potato girl and eliminates any chance for him to escape confinement
Souta: I almost fucked my entire volleyball career to guarantee a win for my team and kept doing shit behind the scenes to help out the team while I recover
Little shit: That's insincere
Why the author is dragging the story with this weak ass attempt to make us care for Shiori, we're 61 chapters in he had plenty of time to do that before.