He drugged her so she is unconscious... so why did he tie her wrists? It's not as if he secured the wrists above her head with the ropes or anything after all so what was his reason?
Also: inverted nipples? No virgin blood? So fat her breasts are hanging and her flab is making her look unhealthy? I know Megumi has weight issues, but she isn't so far gone that she would look like this. She trains hard and burns a lot of calories after all.