There is always one person in your life who is waiting specifically for you. No matter how many people you have met before, they will only become passers-by in your life. This person is the one you are destined to be with for the rest of your life.
This story includes the helplessness of being a mistress, the mutual affection of becoming lovers, the awe-inspiring choices when being threatened by a predator, and the true love in life like water... A man and a woman use their lives to interpret love and interpret the legend of the Sansei Stone.