"Aspiring Apprentice!? A Strange Fanboy, "Sora Shiun'in"" is the fifth episode of the Yu-Gi-Oh! ARC-V anime. It first aired in Japan on May 11, 2014.

“I wish to be your apprentice!" The strange fanboy, Sora Shiun'in suddenly appears. This mysterious young boy, Sora, keeps following Yuya around. Enchanted with Yuya’s “Entertainment Duels”, Sora asks to become Yuya’s apprentice. Yuzu finds him adorable and even her dad, Shuzo Hiragi, falls for the lil’ cutie pie! Finally giving into Sora’s persistence, Yuya fights him in a Duel. But will Yuya be able to show the difference between their strengths in an Action Duel!?