The story takes place on the planet Maris in the year 2387. Around this time, the Nozas started to genocidally kill all humans in order to lay eggs and reproduce on the planet. Three mysterious guns dubbed the "Zillion Weapon System" appear and three teens (JJ, Champ, and Apple) are chosen to wield them as the White Knights in order to fight back against the Nozas. (Source: Wikipedia)

City Hunter, Saeba Ryo, after months of idleness, finally scores a client and it is none other than the beautiful Mega City TV newscaster, Sayaka, who fears for her life. What's more, the enemy are her employers who are ready to resort to any means necessary to kill her. Ryo takes on the might of a TV station in a bid to save Sayaka, but finds that all is not what it seems...

Twenty-three-year old Takaba Akihito is a young freelance photographer who takes pride in his work and seeks to get a major "scoop." After he takes photographs of the business dealings of crime lord Asami Ryuichi, Asami kidnaps and rapes him, beginning a sadomasochistic relationship between them as they find themselves continually drawn to one another. Fei Long, a rival Chinese boss who blames Asami for his father's death, takes an interest in Takaba, as well, seeking a way to get revenge.

After being best man at his best friend's (Saitou Toshihisa) wedding, Nagai Atsushi realizes that he might have fallen for him. Nagai, drowning in his sorrows and hatred for the new bride then meets Honda Kenzou, another guest at the wedding. Honda takes care of Nagai when he was dead drunk and now Nagai can't stop thinking of both Honda and Saitou.