The Blue Hole

You are reading The Blue Hole manga, one of the most popular manga covering in Action, Adventure, Sci fi, Seinen genres, written by Hoshino Yukinobu at KaliScan, a top manga site to offering for read manga online free. The Blue Hole has 12 translated chapters and translations of other chapters are in progress. Lets enjoy.
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Science fiction manga series about the discovery of a gateway in time and space deep underwater which allows for travel between the present day and the age of the dinosaurs.