The in game examples without bad or no reason would be the first two inline spoilers. Those things were done with no apparent reason behind them or at least no reason which is morally bad despite Sensei's overall goal since the start of the game. Yes, he still wants to fuck both of the girls in those examples, but this is not portrayed as why he did the actions in those examples like a majority of his actions are. Also, yeah, he does consider her an idiot for trusting him and he's right for considering her an idiot for trusting the guy who forced a kiss on her before this that she still clearly remembers even well after the point where she is shown to be trusting him enough to allow the example in the inline spoiler. You would think it would be smarter not even to allow him in at all after that, I would have locked the door and told him to go away in her position, even if he was genuinely there to help, and been ready to defend myself in case he tried to let himself in.I've already replied to the other stuff and see no reason to repeat myself, so I'll focus on this part.
Which example was supposed to be without a bad or any reason at all? Because Sensei still wants to fuck Yumi, masturbates to fantasies of her obsessively, and on top of that, he seems to feel somewhat guilty for forcing himself on her before. Sensei definitely isn't just helping Yumi out of the goodness in his heart, and actually seems to consider her an idiot for trusting him:Also Yumi doesn't have a job as Sensei kind of got distracted, so she's been looking alone lately.You don't have permission to view the spoiler content. Log in or register now.
Even him being there for Rin was still due to him wanting to fuck her, he's also partly responsible for why she got rejected as her crush likes him, and he could have been a bad homie as well, so he may be feeling some guilt from her crying (he did mention a part of him wanted to apologize, later on). In retrospect he may have even gotten some satisfaction from Rin's suffering considering Sensei has admitted:He seems to have grown to care about Rin, but that isn't the only reason he tries to be there for her.You don't have permission to view the spoiler content. Log in or register now.
It's kind of difficult to recall anything he's done that doesn't at least seem to have an ulterior motive, tbh. Sensei isn't exactly altruistic.
He didn't have to help her with that, but he did and he didn't show any apparent bad reasoning for it, his reasoning isn't really apparent at all really. Yes, I'm aware of her situation as it stands now as far as the job thing, but he still tried to help her. It's actually not his fault she doesn't have one, it's her attitude being one of the big factors, nobody would hire someone that abrasive for very long if at all.
As far as Rin, yes, he wants to fuck her, that's been his goal with all the girls since the beginning. However, he does not show this as his reasoning for being there when she goes into her depressed state or is upset like with the Chika rejection. Also, only in the bad homie route is it his fault that Chika rejected her, he did nothing with Chika in the good homie route. He cannot control how Chika feels and she already felt something for him in both cases.
He's by no means altruistic and he's as bad as people come without being downright evil, but again, bad people are not incapable of good things.