I'm assuming you're referring to the anime series "K: Return of Kuma Kio" or more commonly known as "K" and specifically looking for information on "Kio's Adventure" which might be a part of the series or related content. However, without more specific details, I can only provide general information.
"K" is a Japanese anime series created by Studio Gokumi and produced by Aniplex. The series revolves around a secret organization known as the HOMRA (also known as the Red Clan), which aims to protect the Scarlet Stone.