In a world filled with magic, anomalies have surfaced across every lands. Robert Ross, a seemingly fifteen year old boy employed by a mysterious benefactor to investigate these anomalies in a city residing within a valley. Although the mission is a dire one, Robert wasn't one to disregard his indulgence and pleasure, especially when the city has so much to offer.

Simple Version: MC has hidden OP powers. Hired to solve mysteries by an unknown powerful benefactor. Gathers bunch of girls while off duty. Harem-seeking during the day, badass at night.