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…

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

A mysterious virus, nicknamed Medusa, is spreading around Japan, turning its victims into stone. Given the impossibility of finding an immediate cure, the government opts for cryopreserving a select group…

A member of an elite paramilitary counter-terrorism unit becomes traumatized after witnessing the suicide bombing of a young girl and is forced to undergo retraining. However, unbeknownst to him, he…