New microcomputers, microcomputer shops, and new games appeared one after another, catapulting the microcomputer Warring States period into lawlessness and chaos. The protagonist, Ran Arashi, believes that anyone can use a microcomputer, and continues to spread the word about the fun, excitement, and wonder of microcomputers. However, he faces a series of formidable enemies, including top student Erito Nachi, who plans to use a microcomputer to take control of Ran's school, and Electron, a dark organization that plans to take over the world with a giant computer.