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.

When Risa and Ôtani are invited to Mighty and Jody's wedding on a tropical island--all expenses paid--the world couldn't seem sunnier! But when they arrive with the gang, Risa and Ôtani discover they're expected to share a room. Will the stress of the uncomfortable situation cast clouds on the festivities?