Shun Tokinoya is a high school student who lives with his mother and sister. After his father died in an accident and his sister was injured, he gave up the games he once loved and now works at the e-sports cafe "FOXONE". Shun, who is busy working and studying while dating his childhood friend, suddenly finds out that "FOXONE" is in huge debt. In order to repay the debt, Shun and others work hard to win the "Zack Serion Championship" and get the prize money. With a guilty heart, Shun enters the world of online games again, and in front of him appears "Blast-kun" who used to play games with him. In the unknown encounters and experiences, and in the fierce battles... Shun is distressed while he moves forward with his friends. Their world started through the game. This is a story about a boy, his family, and his friends.