Parallel Paradise manga volume 15 features story and art by Lynn Okamoto.

With the help of the people of Arlslayer, Piano is saved from execution. But Yota faces death yet again, because in this fantasy world, he can no longer move! Taking advantage of the opportunity, the high-ranking Guardian Mimi reveals her true nature and starts slaughtering the townspeople. What will happen to this world after it loses its only man?