August 18, 2010, a big event of soccer game was held in Tokyo Dome Japan. A 9 year old girl looks down at the audience, meanwhile of all the crowds sitting on the bottom side, she saw a little boy, which the boy also sees her looking at him, apparently she gave him a cute smile. 11 years later-- April 5th 2021, an average wealthy college student whose name is Neganari Tadayoshi drives his way to the university. In his life of being a college student, he stumlbes upon some girls day and days after but he keeps wondering about the whereabouts of the girl he saw 11 years ago. Neganari goes to university with his childhood friend named Ai Shotaza.