Top 7 in Top 15 most popular mecha comics about walking machines today.
At the beginning of the summer of 2nd year of high school, Koguma's mother suddenly left, leaving only the words "Goodbye". She was alone, with no parents, no friends, no hobbies. She silently lamented, "I have nothing." But a chance encounter leads to her buying a Honda Super Cub with a disturbing history, and a new life suddenly opens up for her.