The present invention provides a cyclic amine compound represented by formula (I) (in formula (I), Cy 1 and Cy 2 independently represent a C6-10 aryl group or a heterocyclyl group； R 1a to R 5a independently represent a hydrogen atom or an unsubstituted or substituted C1-6 alkyl group； R 10 , R", R 20 and R 21 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.
