Chuuya had to go on an undercover mission and to his annoyance, Dazai was going with him. Worst of all, Chuuya had to pretend to be a lady.

He arrived at the masquerade ball, soon finding Dazai who had apparently placed enough covert listening devices (aka bugs or wires) to complete the mission, though placing more would be even more useful but it could wait. They had to make sure not to be suspicious first. And so, they started to dance.

"Huh. Mackerel, you're surprisingly good at this."