Haruki Takako

A spy sent by Pacific Cruises, an overseas shipping company that was merged into Skull's Sea Line. She originally worked for an agency, but resents being transferred overseas after the merger, and is cooperating with the former executives of Pacific Cruises. She is investigating the source of funds for Skull's Sea Line and information that could undermine the company's upper management.

She also comes aboard to discover the secret behind the design of the revolutionary “Whirlpool,” which is said to have been created by the company's shipbuilding department. Takako sneaks into the off-limits section and is caught by the protagonist, only to be subjected to a terrifying experience.