I just tried it and it really needs an english proofreader. Not only are all pronouns wrong but also many translation errors, for example, i dont know about any school with a living room.
And for the ongoing discussion here, if there will be ntr i dont need a proofreader anymore because i dont play ntr games. But if you plan to make it fully avoidable, you just double your work and real harem fans dont like to get asked every time if they want to be betrayed, so it should be a basic setting/choice to enable/disable all of it at once. In other words, you waste tons of work for content every harem fan will disable right away and then they will complain about short updates and little content. If you have a team you could handle it by outsourcing the routes, but if you work alone better choose now if you want a real harem game or another slutsimulator. And remember, just skipping ntr content will earn you just as much hate as forced ntr since its exactly the same, either they are your girls or not, it doesnt matter if you see it or just know it. In the end its up to you, but i saw enough harem games going down by adding ntr and have read enough ntrlover comments to know harem is "to soft and easy" for them. If you mix water and fire you either get dirty water or steam, both are not really appealing to fans of fire or water.
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Okay, after reaching the sandbox mode i have a few things to add:
Talking to haru before class is spanish ony and you get more stats then shown in the hud
Handy and Laptop need a close button, scolling back will not help once there is anything to do ^^
After walking from empty room to empty room i think a more classic sandbox style or a map that shows where the people are would be better
Resting also leads to some spanish text
Hmm...i honestly dont know what to do now. I talked with the reading girl, eat with the sweet gitl, played with haru and even talked a few times spanish with her, donno what i talked about but whatever, eat with hideki, joined class, talked to the teach after class, went home, ...sometimes i jumped off the bridge, sometimes i just die of boredom since there is nothing new...maybe i reached the end of content, i dont know...but i suggest you add an "reached end of content" screen so we know when we did all ^^