Velvet Kiss: (Hentai Manga) Volume 1

What does it mean to become "her friend?" Nitta , unable to pay back his huge debt, receives a phone call from his loan advisor and tells him they would work something out if he becomes "friends" with this woman at his work. Mysterious, pretty, and unaware of what's going on, Nitta approaches her. They eventually end up having a relationship... but everything comes with a price, and it's not what it all seems to be!