OVERTAKE!

Sora joins the high school basketball club, but his unmotivated teammates don't care about the game. To get anywhere, he has to change their minds.

A desolate land stretches out from the city of poverty. A motorcycle speeds recklessly, blowing clouds of sand and dust. The rider is the protagonist of this story – he has neither a name nor a past. All he has is his ring name, “Junk Dog” and a technique for rigging MEGALOBOX matches with his pal Gansaku Nanbu, which they use to support their hand-to-mouth lives. JD is bored, resigned, and unfulfilled. Yuri has been the reigning champion of MEGALOBOX for the past few years. He has the skills and presence of a true champion. This is a story of JD and his rival, Yuri.

Ayano Hanesaki, a first-year student at Kanagawa Prefectural Kitakomachi High School, has a badminton ability able to surpass others effortlessly yet avoids playing the sport. She meets Nagisa Aragaki, a third-year student who practices day and night aiming to become the best player in Japan. Encouraged by coach Tachibana Kentarou, supported by club colleagues, and fired up by various rivals, the two engage in their youth and adored sport so thrilling like a shuttle flown at high speed!

During a summer camp, 15 children, 8 males and 7 females, find a grotto by the sea. Deep within they discover working computers and some electronic equipment, and later the owner, a man called Kokopelli. Kokopelli claimed to be a programmer working on a brand new game, in which a large robot has to defend the Earth against fifteen alien invasions. He persuades the children to test the game and sign a contract. All but one of them signs; barely a moment later they mysteriously awaken on the shore believing what happened was just a dream.