Boku no Kamikakushi

Uzuki has been a shy crybaby ever since he was little. He had a single friend named Haruto, who he considered his hero. However, their relationship took a turn when they entered high school, and Uzuki found himself alone once again. That's when they were suddenly kidnapped by a group of men and forced to participate in a death game. What will happen to Uzuki and Haruto? And who is real mastermind behind these events?

(Source: Manga Park, translated)

Note: Ura Kazuki and Eguchi Takuya acted out the story as Uzuki and Haruto respectively on Okamoto Nobuhiko's radio show, Okamoto Nobuhiko no Oyatsu Time (岡本信彦のおやつタイム).