Carolan, a college student who has just arrived in Springleaf Town, is inexplicably caught up in a storm of trouble and conspiracy. At a loss for what to do, she is promptly appointed detective assistant by Akashi, a 15-year-old girl detective. From then on, Carolan blunders her way alongside Akashi onto the path of pursuing fairness and justice, living in the fog-shrouded Springleaf Town in a lighthearted comedy. The two girls' upright yet wacky daily lives intertwine with darkness. Whether it's a foreign faction's assassins or a warmonger, everyone has to show them some respect! Who knows what sparks will fly along the road to growing up?