There are many girls in the world who run away from home because of trivial things, and most of them run away from home without thinking about the future, so they easily follow the invitation of a stranger to survive the rain, wind, and hunger. Sara-chan, who quarreled with her mother and ran away from home, is one of those runaway girls, and when she was hungry alone, she was happy to be called out by an old man she happened to meet in the park, but the girl was invited to the old man's house without any suspicion ...