The heroine's life is very rough. He had an ill-fated fate. He was abandoned by his parents at the age of 5. He accidentally joined a killer organization at the age of 10. He became the number one killer at the age of 15. He found his biological parents at the age of 18, but was sold to a romantic place. He escaped at the age of 20 and was killed by his closest brother at the age of 25.
Motto: If you are strong, you can protect the people you want to protect.