Naples, 1959. Pure Mathematics professor Renato Caccioppoli, Bakunin's grandson, is a tortured soul. Recently discharged from the psychiatric hospital, left by his wife, and increasingly disillusioned with academia and the Communist Party, he lives his last days with painful detachment.
William Munny is a retired, once-ruthless killer turned gentle widower and hog farmer. To help support his two motherless children, he accepts one last bounty-hunter mission to find the men who brutalized a prostitute.
Buddhist monks Kampala (Golden Casmara) and Targhu (Hans Wanaghi) are traveling around seeking knowledge and expanding their martial arts skills in the lands they visit.
Based on the character Rika-chan from Takara Tomy's long-running line of girls' toys, this is the third installment in the OVA series "Rika-chan" that aired in the 1990s.