• Book Name: Diamond no Ace - Ryou-san, Jiken Desu (Doujinshi) Manga
• Alternative(s): Daiya no A dj - Ryou-san, there's been an incident
• Genre(s): Oneshot Doujinshi
• Author(s): Mikazuki Shokudou (Circle)
• Status: Completed Download Manga
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Summary: Two comedic stories about Ryousuke, Kuramochi, and members of the Seidou baseball team.