Tatsuya Tachibana is a sixteen years old guy that decides to not go to highschool and devote his life to basketball. After a year, Tatsuya spend his days with Taizo and Ako, friends from middle school attended the basketball's club with Tatsuya, playing streetbasket at the playground and scraping together money in 3 vs 3 matches. One day, after a huge defeat both in numbers and money in a 3 vs 3 match against Ryoji, an old acquaintance from the past, Tatsuya is approached by a weird man named TJ. TJ is a professional Streetball player, he is interested in the way of playing of Tatsuya&Co and decide to give them the chance to training with his team. Tatsuya&Co play against TJ and his friends, realizing soon that they are still very inexperienced and not ready to enter this world.<br /><br />The way for Tatsuya to embrace and understand the sport loved by his late father is still very long.