SPSF-17 · Omega Lady: Rui Negoto

Omega Lady is a super heroine who flew from Planet Omega and was worshipped as a mythical being on Earth! One day, Koichi Soma, a struggling student, impulsively took a shady part-time job and unintentionally became involved in evil deeds, putting his life in the crosshairs of the heroine of justice! Omega Lady was ready to deliver the hammer of justice to the villain without hesitation, but Koichi Soma was given a mysterious injection and transformed into the emerald monster Greegar, launching a counterattack against the heroine of justice... [BAD END]