Hiiro, a high school student who loves yuri, is reborn as an intruding character in a game world where boys are forbidden and any route he takes is certain to result in his downfall. Perhaps as a result of his repeated efforts to avoid the looming death flags, he finds himself favored by the game's heroines. ...... If this continues, he will be recognized as “the guy who gets in between the yuri” and be eliminated! (What yuri games don't need is a man!)　(What you don't want in a yuri game is a man!) Furthermore, the heroines begin to fight over Hiiro...