Best of Both Worlds

Calvin discovers that his stepdaughter Kay has been sneaking in her secret girlfriend River to have sex. Calvin decides to invite River over for dinner so he can at least get to know this girl and figure out whats going on with her stepdaughters sex life. Kay confesses that she doesnt know if she likes cock pussy or both so Calvin kindly offers his cock to help her figure it out. Things get steamier once River proposes the best solution to determine Kays sexuality a threesome.