Dandadan #1

After Momo protects Ken from bullying classmates, they begin to compare beliefs. He believes aliens exist on Earth, which she scoffs at. She believes in the existence of demons, which he scoffs at. Accepting a challenge to prove their beliefs, Ken travels to a cordoned off tunnel, where he encounters a demon known as Turbo Granny. Meanwhile, Momo visits an abandoned office building, where she is captured by a race of aliens who intend to breed with her.