ATID-180 Investigator, until she falls... Reika Aisumi

Reika is a talented investigator. This time's mission is to infiltrate the Takayama-gumi and destroy the organization. Just when Reika is one step away from destroying the organization, she is betrayed by her collaborators. Even so, Reika, who does not give up on completing her mission, is attacked by the evil hands of men...