Abstract: It is aimed to provide a connector capable of reaching a properly connected state while responding to a rotational movement. A connector housing (10) is mounted into a mounting member (16) displaceably to a temporary holding position and a retracted position, has a rearward movement restricted at the temporary holding position and is released from a holding state at the temporary holding position and moved rearward together with a mating connector housing (11) after being properly connected to the mating connector housing (11). The connector housing (10) is not held by the mounting member (16) at the retracted position and is movable integrally with the mating connector housing (11) according to a movement of the side of the mating connector housing (11).