"That place also has a limited item sold only on rainy days. It's called Moist Katsu Bun. Isn't it so convenient that Yon-Germain is localted in Shibuya Station?"
—Foodie Girl, Persona 5
Moist Katsu Bun, later renamed to Dipped Katsu Sando (名物・濡れカツサンド, Meibutsu nure katsusando)? in English, is a consumable item.