They were all walking around, in their costumes... Well, some of them. Mitsuri's in a Starfire costume, and Obanai is in a Robin costume, only because Mitsuri convinced him. Rengoku and Tengen are wearing inflatable unicorn suits. Muichiro was just a ghost. Giyu, Shinobu, Sanemi and Gyomei chose not to wear a costume.

They walk up to a 'haunted house'. Tengen pointed over to it Tengen: Guys! A haunted house! Rengoku: Yeah! Let's do it! Mitsuri: Kyaaa! She turns to Obanai and points at the house We should go in! Obanai:... Fine... Muichiro just stands there, under his sheet, with a blank and air-headed stare Giyu just silently watches them fight over it Shinobu: We can do it! Sanemi: Its stupid! But... Whatever... Giyu: Speaks up What do you think? He turns to you