1. Go into the cheat menu and toggle danger
2.3.4. Not implemented (not sure for 4.)
5.6. It is mostly about improving relations with characters (by talking or hanging out) until it unlock contents (there is a comment about relation level in their biography entry)
7. Before 0.3.5.11, buy binding, raise desire to extreme level and praise rng god (in 0.3.5.11, the option can appears in perversion sub menu if desire is high enough)
8. Anita is the whore named kitty who work at the highway. No content from what i saw, just some dialogues.
10. rollback before the annoying event, save, reload.