The police's Special Fourth Division, a top-secret investigative unit, is an organization made up of members with special abilities that enhance their sensory functions. Two members of the organization, Mika (with an enhanced sense of smell) and Takumi (with enhanced hearing), are partners, but they don't get along and are always fighting. However, to suppress their heat, a side effect of their special ability, the two use each other's bodies to cool down their heat...!?