The opening to this is a clone of Small Town - with the exact same options, and with the same options marked as WIP despite the fact that none of them work as intended (choosing real family still describes you moving in with "a" family you'd "like to get to know"). If it's not the exact same then I'll be shocked, because I had
intense deja vu while playing it. The interactions with the mother in the parent's bedroom are also the same - right down to grinding corruption 1 point at a time by repeatedly walking into the room with a boner.
Now, to be clear - this doesn't really matter. It's just weird, and notable for that weirdness, because it's not stated anywhere that it's copied from Small Town. Using parts of a free HTML game as placeholders isn't a sin, or anything, it's just a weird thing to not mention in case something like what happened to me happens, and the fact that it's just Small Town again for certain parts becomes the only thing the player can think about.
Good luck with your game, I'll be sure to check it out again a few more versions down the line.
EDIT:
You could change the size of the sprites in the side UI settings panel
Oh, and this doesn't work. Changing zoom level moves elements around, but doesn't resize anything. And the Height and width options do nothing, as far as I can tell - I doubled them when interacting with the mother, as a test, and hitting 'submit' it just moved the buttons closer to the image. Hitting submit again moved everything to the right, extending the window. Hitting submit a third time reverted everything to the initial state, with the buttons closer together.
EDIT 2:
I played a bit more; the sister is also just the sister from Small Town in terms of the interaction you can have with her. hopefully all this gets, if not overhauled, at least expanded upon - and, final thing, the money cheat doesn't work. Instead of outputting the random number, it sets the number to be a string of the random number code - literally in the console it says my money is "random ([whatever number range])", which is pretty funny. Obviously it's expecting a number, so money returns as NaN. Easy to fix with the console (sorta, there's a vestigial 'me' collection of variables that you have to ignore) but that's still not great considering that's the bit you're asking for money for. I'd recommend fixing ASAP.
(Also maybe just have it give a set amount of money. Or at least only positive values, so using the cheat doesn't have a decent chance of putting you into debt - but you do you.)