One day, the weather is sunny, autumn high, Yui girl and a few small maids playing in the pond, Yui see close to the edge of the pond where there is a lotus seedling, stood to the edge of the pond to reach out to pick the lotus seedling, accidentally, the foot slipped and fell into the lotus pond, while she does not know how to swim, a few of the maids who are playing together are panicked, and shouted to save their lives.

It just so happened that Chu Feng passed by there and was not ...