My Fifth Friend

Though single for seven years, Jung Ji-Soo is more than happy with her four precious friends: three vibrators and a dildo. But the morning after Ji-Soo takes her hot coworker, Han Se-Hyun, home after a company dinner, she's horrified to see him holding friend number one—a bullet vibrator! Yet instead of leaving, Se-Hyun is set on satisfying Ji-Soo's thirst by giving her what her friends can’t, and the two begin seeing each other. It seems Se-Hyun, however, wants to be more than just her fifth friend… (Source: Tapas) Note: Includes six extra chapter.