Follow the friendship between the Nobara family’s pet dog Shiro and a “small dinosaur”. Their connection helps the growth of Shinnosuke and the Kusakabe Defense Squad.

12-year-old Oriko Seki, who lost her parents in a car accident, ended up living in her grandmother’s Onsen Ryokan “Haru no Ya.” With the ghost “Uribou” cohabitating with her and…