Just played a bit of it gotta say love the art and the gameplay mechanics although it kind of seems like you have to get that loan since your gonna sink all your money into hp pots.
I do have some critic on the character design for the male slime. To be fair its more of a personal preference but to preface my suggestion, the female version is good looking, no doubt about it, but I'd like to see that same standard on the male ver, you can make an androgenous version of the female slime (like remove the boobs), say it's the male slime and call it a week (because i know it'll take a whole lot of time to implement such a change). I know you are probably a solo dev so its unlikely you'll implement this so if you do or don't is fine by me. Also for the male bandit I say he's fine the way you implemented him.
Overall I like your game and its art. Good luck on your game and I'm sure it won't be long till people hear of it.