Hello Remo!
Just wanted to say that I've been enjoying the game so far, it's genuinely a charming thing so far! I've only gotten part way through the first chapter so far, but I will admit some genuine concerns, keep in mind this is from a place of wanting to see the game improve!
-The Main character can be a bit off putting of a person at times. He openly can be a bit creepy or a weirdo & this seems to be his default a lot of the time. I don't think this really suits the strength of your writing; I've been really enjoying the Sasha romance path so far due to how it feels like more of a genuine relationship. While the Mikasa path has felt a bit off putting due to the deceit that feels part of it. Does he grow out of this kind of behavior as the game goes on? Am I meant to like & sympathize with the main character? Is he meant to be a self-insert?
-I feel that some of the girls & guys for that matter feel off from their presentation within the anime. I'll admit I've mainly only watched the english dub & a smaller amount of the sub. But they veer off at times, Mikasa & Jean especially feeling really egregious in both word choice & behavior. Sasha has veered off in some ways, but ultimately to not as egregious a level & I have largely been able to suspend my disbelief.
-The game has a lot of weird grammar choices & word choices & it gives off the impression that you're not a native English speaker. Have you considered asking anyone for help with this?
-I really like the other original characters so far, especially our main characters sister! The instructor feels very stiff so far truthfully, but I think she could have something to her, not sure yet. But I think our main characters sister could use a bit more reactivity at times during the earlier parts regarding the sasha romance path?
I will also ask out of curiosity, is this meant to be a harem game or an actual romance route game?