The 'Collab Dragon' series by Dragon Garow Lee is a 1200+ page battle doujinshi that combines both Dragon Ball and Dragon Quest. The basic premise is that a post-GT Piccolo is fighting in Hell against a combination of enemies from both series. This doujinshi was REMASTERED in 2025

Collab Dragon

Chapters

Volume 1

Chapter 3: The Hero, the Demon King, and the Ultimate Devil (Part 3) [LQ]

Chapter 2: The Hero, the Demon King, and the Ultimate Devil (Part 2) [LQ]

Chapter 1: The Hero, the Demon King, and the Ultimate Devil (Part 1) [LQ]

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My Co-worker Is an Eldritch X!

Owari no Seraph

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Versus

I'm Really Not the Demon God's Lackey

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