When a person is born into the world, he is full of unknowns about his future life.
Some people live a happy life, while some people spend every day in pain.
The protagonist Yingzi has experienced hardships and dangers in her life, and she is miserable.
Later, she encountered a thought-provoking incident that changed Sakurako's subsequent life.
Sakurako discovers a big, invisible secret of her neighbor's house.
Because of this secret, the neighbor's family suffered retribution, and eventually the family was destroyed.
The woman endured all the hardships and lived a happy life!
Concept: Stories come from life, and life interprets stories.