This is the debut work of Shiina Omi, serialized in Takeshobo's "Comic Gamma" from its inaugural issue in 1992. In the near future , Kazuaki Yukari, an evaluator at the Space Division of Teishuku General Special Machinery Co., Ltd., a manufacturer of special machinery, learns of a recruitment drive for the International Joint Manned Flight to Mars Project (Percival Project) in the company newsletter and finds her dream. While being tossed around by the testing and evaluation of the company's products and solving problems that frequently arise, Yukari aims for a ticket to Mars.