Yuuta and Rikka are in their third year of high school. One day in Spring, Touka declares that she will take Rikka to Italy with her, as her job has…

Haruto Tsukishiro wakes up in a dream world dominated by strange and powerful entities called Witches. To survive, he gets the assistance of research professor Katsumi Kanzaki and a mysterious…

Tokonome Mamori is transferred to Mermaid – an artificial quarantine island for people with superpowers. When Mamori is attacked, a newly transferred girl named Mirei saves her. The enemy doesn’t…

Summary of the first season of the show, as seen from Rikka’s perspective with new elements.