In order to get rid of family interests disputes, she became a knight of the most sinful crime. In order to become stronger, she fought to the death to obtain the precious dragon seed. In order to become free, she abandoned her glory and wealth and became the most unstable mercenary. However, a seemingly risk-free mission plunged her into an endless whirlpool of fate... Is the contractor of immortality really immortal? Dragons have long been extinct, so what are the three dragon species of my own? Why didn't he know the secrets guarded by his family? Is freedom really just an illusion? ... Long story√HE√