Mitsuru tells Tsubaki that he only has 23 days left on Earth. Tsubaki suggests living together. They try to make nice memories together. Mitsuru then decides to stay. Hiroya saves Risa, Masaya's wife, and hears that Masaya had killed his other brother Fumiya. Hiroya asks Mitsuru for help, but Mitsuru refuses. Hiroya confronts Masaya on his own, but as danger approaches, Mitsuru suddenly appears. (Source: Prime Video)