Her mother is a drug addict and her father wants to divorce her. The mother begged hard. Suicide if pleading fails. The grandfather (a mysterious scientist) hated his father for forcing his daughter to death and kidnapping the heroine. Implant the newly developed "intelligent brain" into his body. She was trained to be emotionless. A killer with no memory (who thinks he is an orphan)! Later, he killed his father with his own hands. Stimulated by his father's blood, he remembered everything about his childhood! Intense mood swings. Explosion (the hidden danger of "intelligent brain").
Reborn in another time and space...
The story begins! = ='