[Machine Translation] (Limited Edition Appendix) Super Luxury HIMIKO Gravure Photo Book "Gravity Angel" A villainous doctor, Masato Date, who survived the nightmarish bomb survival "BTOOOM!" and escaped the island once, gradually becomes a part of the group by treating a seriously injured Taira and helping to secure food. However, with his extensive knowledge and experience in the game, he proceeds with his plan to kill Sakamoto and Himiko and steal all the chips...?