This is Ai Mukai's debut creampie work!! A married woman named Ai, whose husband is on a business trip, works part-time as an inventory manager at a company full of men. She keeps her interactions with her coworkers to a minimum and is always quiet. One day, an employee named Sanada starts teasing her. "You're always so quiet, you never talk, right? (laugh)" He says this while touching her body. Ai tells herself to endure a little longer and gives up resisting. However, when Sanada's cock fills her mouth, she's overcome by a tingling sensation all over her body...