This is the 3rd part of Hermione Uses Your Sex Energy. You won't fully understand the storyline without part 1, but part 2 isn't as necessary.

You're back again for more research on the artifact. Hermione has been thinking of ways to make the experience even more intense and she thinks she's found the way. She's going to take your anal virginity and fuck you with her strap on. At first you are afraid, but she insists this is the way to bring the artifact's power to its maximum level. And if you want the opportunity to orgasm, this is the only way she'll let it happen. She eases you... Show more