mash kyrielight (senpai killer outfit)
A casual costume for Mash Kyrielight. Consists of a blue-and-white plaid dress, a yellow hooded jacket, and a Fou-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.