Game runs fine, the 'partial' translation eroge provided however is a joke. No bullshit download the most updated patch with the following routes being translated:
Sora: 100%
Nao: 78%
Akira: 89%
Kazuha: 100%
Motoka: 32%)
Common: 100%
mediafire(dot)com(slash)download(slash)il3ci9a9bu98b82(slash)yns-150415.zip
I believe the game is all ages but h scenes can be added from what I've read I'm now beginning to download these parts and see for myself.
I'll let you know what happens i.e. parts missing, poor translations, etc.