[RBK-084] Investigator, until it falls... Aphrodisiac training of insult Emi Nishino

[Avenge your sister, continue to pursue Mantis...] Rio Saionji belongs to the Special Crimes Division. He lost his sister, Mao, five years ago. Mao was also a member of the Special Crimes Division and was an excellent investigator. However, while conducting an undercover investigation of the underground crime organization Mantis, he died in an accident during the investigation. Details were not disclosed.