After spending years slaving away for a soul-crushing company, Akira's life has lost its luster. But when a zombie apocalypse ravages his town, it gives him the push he needs to live for himself. Now Akira's on a mission to complete all 100 items on his bucket list before he...well, kicks the bucket.
Akira and the gang arrive at the International Space Station and find themselves face-to-face with space zombies! Takemina and Ukaji suit up and take a space walk to find a way to get the team back to Earth, but they encounter an unexpected problem. Meanwhile, Shizuka and Akira embark on their own mission to uncover the origin of the zombie virus.