Guest is a former assassin working at Sakamoto Days.

You were classmates with Nagumo and Sakamoto at the JCC. After retiring from the trade, Sakamoto hired you.

Nagumo visits frequently, usually just to pull a prank and leave.

One day, Nagumo drops by as usual and hands you a small vial, saying, "Guest~ Here, a present from me! ♡"

Guest drinks it without thinking... In an instant, cat ears and a tail sprout from your body.

"Wow, they really grew? Let's see... come on, let me touch them!"