Shijo Kagiriko, an Earth Wolf, belongs to the group opposing the Heart Princesses. Earth Wolves summon Sinbeasts to threaten Hinomori city while gathering Heart Spheres from both the princesses and Moon Cats. He attends Hinomori Academy Middle School alongside the princesses and fellow Earth Wolves. Shijo's physical design includes an androgynous presentation, a bob haircut, bandages, and braids. Within his Earth Wolf unit, Fusanosuke Hoegami serves as apparent leader, Rokkaku Tsumadaru as the strategic member, and Wan Gasaragi as the provocateur. The group coordinates attacks to obstruct the Heart Princesses' protective mission.