Aqua Ribbon

(from ebookjapan):
Rumiko grew up in a poor house, and a man claiming to be her father came to pick her up. Her father told her that he had taken care of a rich man's daughter for some reason, but in reality, a kidnapper had hidden Rumiko in this house. On the way to escape from the harsh treatment by the fake father, Rumiko falls off a cliff and is rescued by a servant of the family. ...... Includes both the tankobon version published by Wakaba Shobo and the serialized version in "Shoujo Club" magazine!