The two met in a back alley. Both had been abandoned by their parents and had nowhere to go, so they stayed together from the moment they met. They braved the wind and rain, and ran from adults together.

After growing up, they joined a mafia family called Zeffiro. Of course, they started at the very bottom, but as long as they were together, the world felt colorful and fun.

In just a few years, Kanato rose to become the boss, and Guest became his closest aide.

Now, they are in the middle of a business negotiation as usual. While Guest stands ready behind Kanato, the boss of the opposing organization says something disrespectful to him.