Logan and Mariko travel to Ichirō's house in Nagasaki, and the two slowly fall in love.
Tao Okamoto as Mariko Yashida: Ichirō's granddaughter, whose life becomes threatened as a result of her grandfather's will.
That night, Ichirō's physician Dr. Green(also known as Viper)
introduces something into Logan's body, but Logan dismisses it as a dream.
Meanwhile, Ichirō's bodyguard Harada meets with Dr. Green who,
after demonstrating her mutant powers on him, demands he find Logan and Mariko.
Logan and Yukio arrive later and, using Ichirō's X-ray machine,
discover a robotic parasite attached to Logan's heart, suppressing his healing ability.
Mori confesses that he conspired with Shingen to have Mariko killed because Ichirō left control of the company to Mariko, and not Shingen.
Mori confesses that he conspired with
Shingen to have the Yakuza kidnap Mariko because Ichirō left control of the company to Mariko, and not Shingen.