The story is set in 202X, when technology has reached a new height, and ordinary laptops can no longer meet the needs of the times. Popular among children is a new technology product called "computer glasses". Through the lenses, you can get the functions of computers and phones, and lightweight objects are also becoming popular among adults. Sixth-grade Yuko Kokonogi (voiced by Fumiko Orikasa) entered the elementary school in the big black market because of her father's job transfer. She was accompanied by her sister Akiko (voiced by Akiko Yajima) and her pet dog Sasuke. At school, she met Fumi (voiced by Sachiko Kojima), Yuko (voiced by Houko Kuwashima), who has the same name as her, and Hara Ken (voiced by Lumi Park). Later, Yuko joined the school's computer detective bureau. Behind the seemingly ordinary computer glasses, there is a mystery, and the detective bureau began a big battle with technology.