Kuroto is definitely one of those characters who just really great to psychoanalyze. The more you learn about his past and what sparked him becoming the Kuroto we know, you see him less like just a brat and more so just, a child refusing to grow up
An unfortunate byproduct of mainstream indie animation exploding in production value is that promising small-scale animations like this will get roasted by people who don't know any better.
A lot of people want “indie” until it actually looks indie; imperfections and all.