1. I tried to sleep/seduce Tyinne, but the screen froze when it comes to her, even after finishing her quest, when I tried having a meal with her, the screen froze. I did try to sleep with the swords lady, Lydia, but the screen froze after pillow talk.
2. I'm both male and female. (Futanari)
3. Chamber Room only.
4. After Sex Scene, After Pillow Talk
There's also this after seducing Tyinne.