Love Com Vol 1 By Aya Nakahara

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.

Rather than bow to the inevitable, Risa and Atsushi join forces to pursue their true objects of affection. But will their budding friendship become something more complex?