SDMU-729 As a result of three seriously verifying “Is anal really comfortable?” Cum! SOD Sexology Lab REPORT4

The SOD Sexology Lab verifies the question, “Does anal feel good for women?” Three virgin SOD female employees of the subject’s ass hole experience step by step under the guidance of an expert to expand with fingers, expand with toys, and insert Chi Po. This is an anal virgin development document that tracks the discomfort and pain of inserting something into the hole in the buttocks for the first time, and eventually changes to pleasure.