When a single-parent girl with low self-esteem meets a double-personality bamboo horse brother, the main personality is gentle and cold, and the sub-personality is paranoid and yandere, but they both cherish their little girl and want to kill each other all the time to keep the treasure... When a powerful enemy comes, what will these two evil dragons choose? How to protect the princess? It's not Shuang Jie, it's both sweet and sadistic. The heroine's father has mental illness, but is extremely powerful. Later, he fought for the custody of the heroine and imprisoned her...