At Saint Hoshikawa School there is a secret group called the G-On Riders. Students with superior strength and ability are chosen to be in the group, which was formed to fight against alien attacks on the ear...

Hina, otherwise known as Guardian Hearts, is sent to Earth on a mission to protect the peace... and with strict orders not to let anyone find out her identity. So when Kazuya accidentally sees Hina transform...

Side story of Kyoukai Senjou no Horizon bundled with the first press release of the 1st, 3rd, 5th and 7th Blu-ray volumes of both seasons of anime. This side story follows Asama, Kimi and Mitotsudaira aboar...