Ep 9. The Speed of Sound Lady

After Lycoris loses her glasses and ends up unwittingly buying a bunch of junk from Volcan, their innkeeper stumbles across a more interesting piece that's got everyone running in circles. A strange talisman bearing even stranger runes causes its wearer to move at nearly the speed of sound, but now they need to find a way to stop the plus size runner before things really get our of hand.