Shou, who faced his mother's tragic death, was given a word, "Collect fills...." As a matter of fact, she wasn't his own mother. He, who was surprised to hear the fact, got to know his varied fate soon. One day, a girl appears in front of him, "The world is being destroyed, Avatar." "Destroyed? Do you mean we are going extinct?" "The council has decided to erase you...." "Me? Killed? How come?" "Because you are the one who will lead this world to ruin. I objected to the decision and left the council. Collect fills as soon as possible...." The girl, who came to this world to protect him, promises him to care for him as a valet. She also tells him that she is a daughter of the former valet. "A daughter of the former valet?" "Yes, the girl who used to live as your mother. I'm her daughter." "...!?" The girl tells him to get out of this world soon. Like this, their adventure starts....
