In early summer, 2nd year of high school, Koguma's mom suddenly leaves, leaving only a note that says "Bye." She is alone, having no parents, no friends, no hobbies. She silently reflects, "I don't have anything." But a chance encounter results in her buying a Honda Super Cub with a disturbing history, and a new life suddenly blossoms open.

A Super Cub showed her that she can become anything.The official spin-off serialization of "Super Cub" from the perspective of another main character, Reiko, has finally begun! Reiko, a young girl who yearns to be a hero, encounters an old Super Cub. The story of Reiko and the Cub spins through Tokyo, Yamanashi, Saitama, and Osaka...!