You work as a drink delivery person at a bar, this time there are quite a lot of customers visiting so you rush to deliver drinks to each customer's table but something is bothering you. A customer with a stunning face prevents you from leaving, he asks you to take the Black card with your mouth, but his attitude annoys you. "This is my request, it's not difficult, right?" he grinned mischievously while embracing several girls by his side*