４月の東京は… (2023)

Hana tells Taichiro and Asuma about their father's involvement in Planet, Black Bird and more. Then, Taichiro tells Hana about his younger sister.

The whole family has been infected and are now back in Planet, but this dark world is nothing like the sunny paradise they once escaped into.

Kojiro wants to see his family before they leave for a distant shelter, but Asuma tells him to stay away. Then, Sasumata asks Shiro a striking question.

As Ichi, Taichiro attacks a heartbroken and furious Leon. Meanwhile, Shiro tells Sasumata that he created them under a different name.