Remi Mizuchi is the main villain alongside her sisters Emi and Ayumi in the 1991 anime Sukeban Deka.
Remi is the eldest daughter of the wealthy politician Gozo Mizuchi. She is popular at school and is very well liked by the students. However, this is a facade.Her first act in the movie includes rigging two school buses by having her family members attach gas tanks underneath the buses causing both drivers to fall asleep at the wheel making them both go off a cliff sending over 70 students to their deaths. Remi's dream is to take over his position at Takanoah High school and rule every school in Japan. Unfortunately for her, a new student named Saki Asamiya arrives who is actually an undercover detective. Remi's sister Emi is a painter and her rival for an art competition happens to be Saki's best friend Junko. Remi organizes the kidnapping, rape, and murder of Junko by her two henchmen. Her sister Emi wins first prize at the art competition while Saki goes after their sister Ayumi thinking she was the one who killed Junko.
Ayumi goes to Remi seeking help, only to receive a shotgun. Remi advises her to kill Saki. Ayumi does not realize that Remi has rigged the gun and when she shoots Saki, the gun blows up in her face killing her.
Remi then sends an assassin to kill her sister Emi at her art opening. Emi is shot point blank in the head in front of Saki.
Saki decides to hunt Remi down, finding her at the Mizuchi Mansion. Remi engages Saki in a brutal fight, beating her with a whip, almost killing her. In the last moment, Saki gains the upper head, uses her yo yo weapon to knock Remi out. Remi lies bleeding from the head unconscious. At the end of the film, she is arrested.
In the manga, Remi escapes from jail and goes after Saki.