DANGER DOLLS follows a quartet of cute idol singers who moonlight as butt-kicking action heroines. When extraterrestrial invaders threaten the safety of the Earth after an earthquake unleashes them from an alternate dimension, the Danger Dolls become humanity’s only hope for survival. The team infiltrates the evil cult behind the invasion and must use their swords and their fists to smash the invading army.

Keiko, daughter of a famous sushi chef, leaves home to escape his overbearing training in both sushi-making and martial arts. Finding work at a rural inn, she is bullied by the staff and ridiculed by the guests, including the president of Komatsu Pharmaceuticals, who has come to the inn for a vacation with his associates. Little do they know, however, that disgruntled Komatsu researcher Yamada has followed them there with designs on revenge, using a serum he developed that can awaken the murderous instincts of fish on rice, creating…killer sushi! Bloodthirsty tuna and squid soon descend upon the humans, killing many and turning the remainder into zombie-like creatures.

100 years ago, titans suddenly appeared on Earth. Soon, human civilization veered on collapse due to the titans. Humans then built a giant wall to defend themselves. Within the giant walls, humans lived in peace, but, 100 years later, the giant wall is broken.