Toki no Shoushitsu Ukeoinin  

Time Eliminator, 時の消失請負人

The Time Eliminator's office provides a distinctive service, which is the ability to undo an event that has already occurred. Despite his youthful appearance, Rex is a skilled professional who travels through time with various gadgets and even an earpiece for communication with his team in the present. Although he usually takes on cases for financial gain, he's also searching for ones that might help him acquire a mythical "Babylon Item." The first case of the series revolves around Fred Abberline's descendant, whose family has been under a curse since then. Could this curse be linked to someone in the past using a Babylon Item? It is now Rex's responsibility to travel back in time during the Jack the Ripper murders and find a way to lift the Abberline family's curse.