Matantei Loki Ragnarok is a Japanese anime series that follows the story of Loki, the Norse god of mischief, who is banished to the human world and transformed into a child. To return to the realm of the gods, Loki must collect evil auras found in human hearts. The series combines elements of mystery, mythology, and supernatural adventure, as Loki works as a detective. The anime explores themes of redemption and the complexities of human emotions.