Ryoko Kiyama, a character from a Japanese comic book, or manga, falls through a rip into the real world--the western world--and tries to survive as the ultimate outsider at a typical American high school.

Fate brings together Haru Yoshida and Shizuku Mizutani to form the most unlikely pair. Haru firmly believes he's in love with Shizuku and she firmly believes he's insane.

Shizuku is focusing on her studies but things get uncomfortable when her friend Yamaken starts taking the same cram school classes. Haru see Yamaken as a love rival but Shizuku has no interest in such matters.

A Brave Venture--Shizuku is now more determined than ever to make Haru aware of her love for him, but Haru is too preoccupied with fending off Yamaken to notice! Shizuku thinks Haru has nothing to worry about, but competitive above all, Yamaken has some plans of his own. Meanwhile, blossoming feelings turn the popular but romance-hating Natsume into a maiden in love?!