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Anthony and Nade are two nerdy best friends from school that get assigned to work on a science project together The hypothesis they come up with is whether having sex regularly affects the brain in a negative or positive way The only way to verify their statement is by inviting Mira the hot stepsister to try it out Nade and Anthony run a few freeuse experiments on her while doing puzzles and other brain teasers Mira plays along willingly all for the sake of science!