I have mixed feelings about this one.

This is clearly a major step-up in terms of visual fidelity from other VNs that use HS2, though it is not objectively better or worse in practice. If most others VNs are cartoon-ish in style (to varying degree), this is much more focused on realism and it does achieve it pretty well. Some details like hair are really truly nicely done! This is when talking on a purely technical level.

Subjectively though, student characters look much older than they should look like according to the story. It looks creepy at times, especially with Mia as a child having essentially an adult face of a woman in her 30th. Just doesn't look right at all.

As for the story, I couldn't finish 0.5.2, it just didn't seem all that interesting or at least it didn't progress quickly enough to become interesting. Just a bunch of dialogs with choices that do not always have an obvious outcome (and I prefer linear stories anyway) without much actually happening. I can see some plots unrolling slowly, but it is, unfortunately, not enough to keep the attention.

It is even more boring because the default sound level is so quiet I though most of the game was actually in silence and sound effects like closing car doors were missing. Turns out they are there when cranked up to 100%, which makes things better, yet there are still many quiet scenes that could have been improved greatly with ambient sounds and background music. Another example where realism (there is no background music in real life most of the time) hurts the subjective perception of the game.

I can see the developer(s) put a lot of effort into it and the game has potential, but apparently this is not for me in its current form despite technically impressive render quality.