Star Guardian Riker was sent to another world for training by his base doctor and friend Dr. Octavia after his mental power was severely damaged during a mission. Because the energy generated by the explosion of the energy blue crystal interfered with the transmission device, Laker accidentally failed to enter the intended body but woke up in the body of Voldemort who was splitting his soul to make Horcruxes.
In 1980, the British wizarding world was under the heavy shadow of Voldemort and the Death Eaters. The Dark Lord, who had a violent temper, suspicion, and a distorted face due to excessive soul division, not only made everyone in the wizarding world in danger, but also caused panic among the Death Eaters. Laker's arrival briefly ended this atmosphere of terror.
But then, Peter Pettigrew's betrayal and his friends' push through Dumbledore made Riker still go to Godric's Valley and re-enter his intended body - Ise Potter.
Due to the attack by Death Eaters, the congenital Ace Potter has been protected in the home of retired St. Mungo's therapist Abbey Megan. After the Dark Lord failed, Hagrid was ordered to send Harry Potter to find Dumbledore. Sirius decided to take Ace back to St. Mungo's. However, an accident occurred on the way and Sirius was captured. Ace's whereabouts are unknown...
Lacker, who knew nothing about his identity, was raised in a Muggle orphanage until he was 7 years old. He rescued Isabella Kyle in an accident and became the adopted son of the Merson family - Lacker Merson (Lacker Merson) at the age of 10. He entered Hogwarts School of Witchcraft and Wizardry at the age of 11...
Concept: Butterfly Effect