Iroha, who obtains information from an informant and infiltrates the hideout of the evil organization Kuroshishikai in a bright red catsuit, but there's a trap there!! The captured investigator Iroha is cruelly manipulated and ends up being administered the illegal substance they were pursuing. Iroha endures the approaching pleasure with her strong willpower, but cruelly breaks through her limits and is swallowed by pleasure... Iroha's trained body awakens with lewdness and finally falls into a bitchy female who seeks pleasure...