The main protagonist of the story. He moved from his home in rural Hiroshima to his aunt’s dormitory in Tokyo to change himself. While checking out his new high school, he sees a beautiful high jumper practicing and falls in love at first sight. By chance she happens to be his next door neighbor, Suzuka Asahina. Yamato is clumsy and has a carefree attitude, which often gets him into comprising situations. When the need arises, he can become focused and determined. He is exceedingly clueless when it comes to girls and their feelings. Although not the best in academics, he discovered a natural gift as a sprinter, and joined the track and field team.