Romantic hijinx and sexual tension are rampant in this funny and dramatic shojo series. Can a girl blackmail a boy to teach her about love, just so she can write a new novel? Yukina is a cold and distant girl, while Shigure appears to be a perfect, good-looking guy. But the two of them have a secret, and their extraordinary "love" is about to start! Yukina, under the pen name "Yupina," is actually a popular cell phone novelist. When she discovers Shigure's devious womanizing ways, she blackmails him to complete daring "missions of love" for her to write about. Will these missions give them an opportunity to fall in love with each other?