[Riho Matsumoto debut!!] Riho and Rima, elite investigators, are ordered to infiltrate Mizuhata Pharmaceuticals, which sells the cold medicine "Bibias," said to be the cause of overdoses among young people these days. Riho, with a burning sense of justice, is determined to find out the true identity of the mastermind behind selling drugs containing illegal ingredients and robbing young people of their Mirai. Just as they obtain evidence of the crime and are about to subdue Asami, the female president who is said to be the mastermind, the true enemy bares its fangs and they are confronted with the cruel truth...