1. Blackmail path for Noriko.
Go fuck yourself Noriko! → Menacing → Blackmail path
2. & 3. are both from Yasuka's Love path.
*So, you must have a 0.5.9 version of the game.
*Have selected the right dialogue options at the beginning of the game.(I don’t think it’s a good idea → If you want... → Well, if it’s what you want, how can I refuse?)
*Finish the Asami's Storyline.
*Sleep with Yasuka at least once (Using the bed at night)