Also known as: 先輩を殺す私服
A Casual costume for Mash Kyrielight. Consists of a blue-and-white Plaid Dress, a yellow Hooded Jacket, and a Fou (Fate)-themed Handbag.
The outfit originated from a series of posters sold by Aniplex at AnimeJapan 2017 featuring various Aniplex characters in casualwear. The outfit was also worn by Mash's Voice Actor, Takahashi Rie, during a panel at the convention.