She was a well-behaved child 17 years ago. On her 18th birthday, she began to slowly enter a dark life. She began to slowly degenerate, and it took a whole year for her to return to the good-natured child she once was under the care of her family. During this decadent year, there was always a boy by her side who loved her. In the end, she married a boy and had children, but she regretted it because of her youthful and frivolous behavior. The girl changes from a good child to a depraved person, and then slowly experiences setbacks to achieve her career and marriage...