|School||Fujou High School|
Shiba is a student at Fujou High School when the tournament game school competing for Roka bag he was cast as an reserve contestant, because Kenji had been knocked unconscious after being Takao's zipper bust shot.
He then became part of the Allies of Kazama Gang.
- Just like other characters' in D-Fragments series, their names are reference to railway stations in Japan. His name is derived from Shibakōen Station.