Dirty-Minded Guinea Pig -Fill Me Up-

All my sensitive holes are stuffed. I'm getting shivers of pleasure from my whole body......!!! I'm Miku. My boyfriend from the science department, Minato, has no idea about my dirty fantasies. One day he injects me with an aphrodisiac unleashing the assertive sex beast in me!! My sensitive areas feel better than ever before. I've completely lost control of myself......!!! In this new sex position, different places are so stimulated, it's heavenly!! The aphrodisiac is shocking as it is, but Minato takes it to another level. He begins a thorough inspection......!?