Gakkou de Ichiban Jimi na 2-ri ga Tsukiau Hanashi

When popularity, looks, athleticism, and personality determine one's social status in high school… The people who lack those traits end up as "background" characters!? For the unpopular boy Sadao Nagata and unpopular girl Sonoko Iyama, they will come together to find romance and bring color to their lives. A story of 1000% pure romance. (Source: Nihonbungeisha, translated)