A cold concrete floor.... Walls on all sides.... And a mahjong table... A man who lost his memory wakes up in a dungeon... An unprecedented mahjong mystery!
On the final day of shooting a movie for a film study group on Iriomote Island, director Godai Daigo and his crew witness a battle between the Self-Defence Forces and a UFO. Yukkino, the heroine of the film, disappears on the same day. Two and a half months later, Yukkino suddenly reappears but is noticeably different from before. Has aliens from the UFO done something to her body?
From MangaHelpers: Jobless after the company he was working for went bankrupt, Yahiro takes a gamble and goes on a tour to Yatogami Island put on by a TV network. With a prize of $500,000 for the one who finds the legendary creature and UMA (Unidentified Mysterious Animal), the Tsuchinoko, Yahiro is among a handful of people on this trip. But Yatogami Island is notorious among UMA fanatics as an island where not one human has come out alive after entering the island. The group soon learns the reason why and must fight for their survival. [vyc]