When a man comes of age, he should marry; when a woman comes of age, she should wed—this is true for humans, and mice are no exception. According to Chinese folklore, the seventh day of the Lunar New Year is the day when "mice marry off their daughters." A little gray mouse saw the girl he loved and wanted to marry her. However, when her family saw him dressed in rags, they hastily drove him away. So, the little gray mouse deliberately dressed himself up neatly and went to propose again. This time, the girl’s parents demanded a precious and abundant betrothal gift. Unexpectedly, the little gray mouse managed to fulfill every request. On the day he was to marry his beloved, he saw another newlywed couple, and one of their betrothal gifts was a large, sweet cake. The girl’s parents, growing greedier, demanded that the little gray mouse also offer a cake as a betrothal gift. 　　 He found one, but the cake was inside a trap specifically designed to catch mice. Determined to win his bride, he decided to take the risk. Just as a chance seemed to appear, he was brutally trapped inside the cage, shedding tears of despair. 　　 The girl he loved was also heartlessly dragged away by her parents, sent back on the path to find a wealthy husband. 　　 The white powder the little gray mouse had deliberately dusted on himself slowly faded away, leaving him as he once was.