The Cyber Guardian of Earth: Enter Koharu Inoue

Optimistic girl Koharu Inoue was an average 13 year old girl living in the Shibuya district of Tokyo. But there's something that isn't ordinary in Tokyo. In this age, everyone has access to a digital world known as EDEN, and because of the existence of said digital world, most kids have something called a Digivice that contains a Digimon, or digital monster. Because of access to EDEN and Digimon, there are hackers everywhere, but there is one group of hackers that intend to do good for the sake of EDEN, The Cyber Guardians. As for Koharu, she's finds herself becoming the cyber guardian of the Earth attribute, joining the hacker team with her own ambition to spread her positive attitude and make new friends.