Buttobi!! CPU

For three years Akira lived only for computers. When the model 9821 went on sale, it run run to the store to buy it, but the last computer was already sold out five minutes before his arrival. Sorry going home, he meets a man in the alley, which, coincidentally, was the same computer. Worried, he buys it and runs home, where discovers that instead of 9821, he bought 2198 - advanced biomechanical computer girl named Mimi.