Matantei Loki Ragnarok  

The Mythical Detective Loki Ragnarok, Detective Loki Ragnarok, 魔探偵ロキRAGNAROK, El Misterioso Loki Ragnarok

Private Investigator Loki is an exceptional individual with a demanding profession. Despite his youthful appearance, he faces every challenge head-on. His job involves solving mysteries and protecting himself and his family, especially when those who wish him harm come into play. Loki must gather evidence related to kidnappings, murders, suicides, and other crimes. When old enemies threaten his safety, Loki must be prepared not only to solve the crime but also to survive the attack. If you need help in a hot situation, count on Loki to be there!

Matantei Loki Ragnarok had four volumes released in English as The Mythical Detective Loki Ragnarok by ADV Manga from October 4, 2004 to August 1, 2005 before the license was dropped and the publisher went defunct.