SHKD-587 Undercover Investigator Sho Sho Nishino, a beautiful mermaid who falls into the sea of crime

'Deep diving' It is the most dangerous undercover investigation that jumps into the enemy's pocket. A harsh world where you sip muddy water and crawl on the ground. Someone said. "A female undercover investigator is like a beautiful mermaid diving into a sea of crime." My name is Sho Nishinobe, a woman undercover.