As a gold medal killer, Yin Qi made a human assassin and fell into the sea. Her soul was forcibly taken from a female high school student with the same name and the same appearance. In order to repay the favor of the high school student "Yin Qi", Yin Qi began to protect her relatives and friends, and investigated the reason for her time travel in her spare time. However, in her daily life and investigation, she discovered that this female high school student Yin Qi had a close relationship with herself...
Intention: Face yourself squarely and redeem yourself