Losing My Pure, Big-Boobed Girlfriend to My Coworker

Nana's finally had a man she's had feelings for confess his love for her. She accepts his offer to be his girlfriend, and the two begin to date. They also cross a mature threshold as they become intimate. Hooked on it, Nana's boyfriend brings her to a meeting room at work for sex! They have fun doing the deed, but a peeping eye also has fun and plans something else...