The present invention provides a cyclic amine compound represented by formula (I) (in formula (I), Cy1 and Cy2 independently represent a C6-10 aryl group or a heterocyclyl group R1a to R5a independently represent a hydrogen atom or an unsubstituted or substituted C1-6 alkyl group R10, R11, R20 and R21 independently represent an unsubstituted or substituted C1-6 alkyl group, an unsubstituted or substituted C1-6 alkoxy group, a halogen atom or the like m, n, p, and r each represent an integer of 0 to 5 and Y represents an oxygen atom or the like) or salt thereof, and an acaricide including the same.
