I played your game until you get the third party member, where it ended. My thoughts:

Pros:

• The idea of having 1hp is very cool, it got me interested from the start;
• The shield system is interesting;
• Graphics and music are good;
• The game introduces stuff slowly with explanation on the signs;
• The save system prevents you from being punished too hard;

Cons:

• The shield system is very hard to get used to. My brain refused to cooperate :D. You have some colors that go through some colors and other colors that counter them. It would be easier to get used to it if instead of colors you had something with more flavor to it like classic elements (fire/ice/etc.) or anything else that makes it more intuitive. Yes, fire beats wood! My caveman brain understands! hahaha
• Same as other  RPGMaker games in the jam, the game doesn't have a particularly unique aesthetic, which makes it harder to stand  out from the crowd. I've gone more in depth into this topic in Ruo's game if you are interested;
• Not much to talk in terms of dialog and story. Maybe you could incorporate the mechanics into the lore, like the protagonist is cursed by some evil dude and for that reason he has 1HP. And the shield system could be some badass shield someone gave him or whatever you find cool. It's good to tie mechanics and lore because you can introduce them to the player together. Two birds, one stone.

Very creative game!

the game have a good concept for gameplay, is  original.