Love You as the World Ends Season 1 Episode 10
It turned out that the person pointing a gun at Hibiki was Kurumi; even more shocking was the fact that people at the base were turning into monsters one after another. Hibiki was devastated when Kurumi fled back to Shuto. Thanks to the antibiotics Hibiki and the others brought back, Shoji was able to get back on her feet, while Kuwata began to realize just how terrifying the "vaccine" Shuto had created truly was.