Nao and her boss, Seiya, get along about as well as a cat and a dog at work. When they go out to drink with coworkers, they get in a big fight... or so Nao thought, but when she woke up, she was in bed with ...

Sixteen-year-old high school student Takeshi Chimatsuri has devoted his life to being a master samurai like his father was. Then one day, the Toki twins, two ninja sisters he's known since childhood, transfe...