Yuka, Rinko, Saki, and Natsumi are childhood friends and classmates nearing the end of their second year of middle school and eagerly awaiting their summer break. Unfortunately, it's a bittersweet time for this close-knit group, as Saki is...

Kouichi Uehara is a fourth grade student living in the suburb of Tokyo. One day, he picks up a large stone which turns out to be a fossil of a baby "Kappa" who has been sleeping underground for the past 300 years, and names it...

One year after Crane's visit to earth, Hibari dreams about him not being able to sleep well. So, she decides that the Cyberteam has to travel towards the Metatrone and find out if things are ok. Metatrone surveillance system has gone wild, and...