Risa Koizumi is the tallest girl in class, and the last thing she wants is the humiliation of standing next to Atsushi Ôtani, the shortest guy. Fate and the whole school have other ideas, and the two find themselves cast as the unwilling stars of a bizarre romantic comedy duo.

Risa and her friends are named to the graduation committee and get busy working on the yearbook and class performance. When Ôtani's photos go missing from the class album and other pranks highlight his height (or lack thereof), all fingers point to Risa. Who is behind this mischief--and why?!