As a Magician, I Am Actually the Holy Grail

Bai Mantra traveled to the world of Fate and found that he had become a Holy Grail with noble blood and excellent blood. The Nine Heavens Supreme Holy Grail! In the room he was in, Sakura happened to be adopted by Tosaka Tokiomi, who was not a son, and given to the Matou family! After a while, Matou Sakura will enter the insect pond and undergo inhuman torture. At this time, Bai Mandrill's system awakened! He can absorb magic power and convert it into evolution points to continuously evolve and become stronger! But he currently only has a lifespan of ten years. If he wants to increase his lifespan, he must swallow other Holy Grails! Fortunately, the Holy Grail War is not over yet! He still has a chance! But his current level is still too weak, and he can only obtain magic power by swallowing the blood of magicians! Right now, Matou Sakura is the magician in the room.