Ami's friend, Yoshie, was murdered and desecrated by the Kimura Gang. She was saved and, like Ami in the previous film, received modifications from the same mechanics. Remembering her past, Yoshie decides to avenge herself and Ami.

Keiko, the daughter of a legendary sushi chef, runs away from home when his Karate-style regimen becomes too severe. Finding work at a rural hot springs inn, she is ridiculed by the eccentric staff and guests.

A store owner and a magazine editor were hired as a temporary employee by The Louvre for a Mona Lisa exhibition to be held in Japan. The two soon discover a hidden puzzle of the Mona Lisa that will change their lives.