It's a very hard and long visual novel for the better or the worst. The Sex scene can actually very hot but you gotta work to get to them…
first you should use https://github.com/Artikash/Textractor/releases
to hook the game and then translation aggregator to translate with bing and google.http://www.hongfire.com/forum/filedata/fetch?id=6091936
To get the sex scene in the game you need unlock the "corruption path of the game." to do that you need to a special training in the 4th month of the game (1rst month where you can actually train the protagonist.)
You need to do training 3 then 2 then 3 then 3 and you'll unlock the path.
To get the scenes it can be really hard in general, you'll need certain level of stat to get the event but the game is very precise and you'll often miss some or get a game over before you manage to max the stat you need.