Ultraman Kaiju Densetsu: 40 Years of Truth
According to the Direct-to-Video's prologue, it was revealed that he was able to study overseas with the help of Ide.
Ultraman THE FIRST
Unlike his original counterpart, he only appeared in the first chapter of the manga. He arrived in the control room comforting Akiko Fuji, who believed Hayata was presumably killed until Hayata contacted her.
- Hoshino does not show up in the series after episode 25 becasue his actor, Akihide Tsuzawa, suffered a leg injury during a skiing accident.