Give you some background info about the reader she goes to the same school as Senku but isn't friends with or even acquainted with him. She only knows him as this crazy boy genious. The reader is just minding her day like any other when she looks out from the top of the roof to see a flashing green light. The reader wakes up in the stone world, completely naked, lost, not knowing what to do. She sees a camp fire and decides to follow it finding a familiar face there.
11 parts