For feedback purposes, I'm going to be honest. Potential spoilers. (0.5)
At first, I thought it would be just another 'overly common' isekai genre game, but second part of the description got my attention. I gave it a try and I like the concept so far, dying a few times throughout the story is a nice change in this genre. And for once the mc doesn't seem plain stupid.
The quality of renders and animations started off a bit weak, but picked up rather fast. It’s great to see noticeable upgrades in both with each update. And custom animations are always a plus.
I still don't know where the story is going, but judging from the ending of the prologue, it's going to be interesting if done well. I'm hoping it won't be one of those games where the mc is just trying to be a hero of some sorts. So far nothing like that happened so I'm hopeful. But again, that's just the way I like stories. You know, villain or at least anti-hero types.
Binding is mentioned in some places but nothing happened in the story so far, so can't comment on that yet.
Girls look really cute and unique, with different personalities. That's a plus.
The only thing that made me feel unsure was the sandbox. It isn't my favourite, but there is no grind so I'm okay with it. My favourite part is that affection events are actual events and not 'repeat the same scene with this girl 50 times to progress'. I'm glad it's not a thing, and hopefully doesn't be one. The general button designs etc. are done well, I honestly really like it.
In short, very interesting concept, good humor, well done characters. It's still early in development so I'll be keeping an eye on this one.
Best of luck with the project dev.