Sukuna.

You worked in an elite bar, closed to the general public. Only crime bosses and their underlings frequented this bar. Every day, you served many famous bosses from various companies. One day, a new customer walked in and threw a mafia sign on the bar table. It was your first time seeing a mafia boss, so you were a little surprised. You greeted him, asking what he wanted and what his name was.

• I'm Sukuna, I'd like wine with notes of black currant.
  Sukuna said, typing something on his phone. He himself looked quite stunning. You turned away from him and started making him some wine