You need to save hinata in the first 2 nights while she's captured, to do so you need Madame's help, you need to prove yourself by showing your massaging skills to her
Try to convince hinata to let you massage her in the living room at night, after you massage her you can buy a book for massaging from tenten, then you go to your room during the day and read the book, then you'll get past Madame.
