Tokyo Crazy Paradise

It's the year 2020 AD, and Tokyo is a city infested with crime. Women can no longer go out in the streets alone without being victimized. Not wanting their daughter to suffer the same fate, Tsukasa Kozuki's cop parents raise her instead as a boy. When they are suddenly killed by one of the yakuza's in-fights, Tsukasa is left orphaned on the streets along with her three brothers. With no other options, she goes to the only person she can think of for help: pokerface Ryuji Shirogami, her classmate