The boss in the last level is too difficult to defeat,and i must give a negative review on this:(. The official can consider reducing the boss's health a bit!
Did you upgrade Chiro's stat? Also there is a way to beat the boss, I believe you need to dash pass him when the bear comes your way. I don't think it's that hard (although maybe I'm saying this because I've beaten hard games a lot in general so I'm pretty immune)
