can we get max points of Emily like corruption and effecttion in the game and are there an actual sex scene with her or not
I ran into the same. No matter what I tried, including walkthroughs, I can't get Emily the final two corruption points from around episode 6 or 7. Still, doesn't seem to harm the process though. Here are two decent walkthroughs.
https://www.mejoress.com/en/halfway-house-walkthrough/
There's a second great one but this forum won't let me post the link. Search this and the 1 link that pops up is the correct link. It was written by the game's author it seems and explains most choices in detail.