The background of the story is in 202X. At that time, technology had reached a new height, and ordinary laptops could no longer meet the needs of the times. Popular among children are new technological products known as "computer glasses." Through lenses, you can obtain functions like computers and telephones, and lightweight objects have become popular among adults. Sixth-grade Yuko Otaki (voiced by Orikasa Fumiko) entered Daikokuichi's elementary school because of her father's job transfer. Along with her are her sister Akiko (voiced by Akiko Yajima) and pet dog Sasuke. In school, she successively met Wenhui (dubbed by Kojima Sachiko), Yongzi (dubbed by Noriko Kuwashima), Yuan Xian (dubbed by Park Lumi), whose name is the same as hers, and later Yuko joined the school's computer detective bureau. There is a mystery behind the seemingly ordinary computer glasses, and a group of people from the Detective Bureau began a war with technology.
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