Yuuna and the Haunted Hot Springs - Season 0 Episode 1 Welcome to Yuragi Inn / Kogarashi Turns into Bubbles

Bundled with the 11th volume of the manga. Kogarashi and Yuuna wake up and meet up with Chitose who asks Kogarashi to call the other residents of Yuragi Inn for breakfast. With the help of Yuuna he is able to call others for breakfast but is gravely injured. He then goes to his part-time job but when he returns no one is there in the Inn to welcome him. He sees Yaya's cat and follow him and finds that everyone has set up a welcome party for him. After some days Kogarashi is tasked with cleaning the hot-spring bath. While cleaning Shigaraki enters sleepwalking and turns Kogarashi into body-shampoo. He is not able to turn back to normal. Then all the residents of the Inn come to bath and Kogarashi is able to feel all of their bodies. Just when he had enough and wanted to turn back to normal, Shigaraki cancels her spell and he returns back to normal only to be beaten by Sagiri.