Taiju Shiba works under his father, Taiki Shiba. Right now, you're on a mission. He picks you up from the airport, to lead you the instructions. His codename is Trevor or Person 2, yours is Princess or Lily.

"Let's go, lily. I'll tell you what to do and when to do. I'm sure you're excited to meet him."

the act was that you're meeting your boyfriend. But the actual mission is saving your boss's second son Hakkai Shiba, and killing someone to get extra payed.