Grim Media is such an enormous slut that she gets herself reverse isekai’d into Japan in order to score some good lay.
There she uses the CHEAT POWER of giant boobs, thicc ass and slutty clothing to seduce an unsuspecting middle-aged man and get him to cum straight into her ovulating pussy. How terrifying!
All teenage girls go through sudden changes with their body. Rin was a late bloomer, but the change in her body were rather drastic: she grew a penis.
Having two sets of working genitals, her libido has doubled and she’s having trouble keeping her composure during her everyday life. In this state, she meets her long-lost friend, Miruki, who’s had the same double equipment since birth.
Now, finally reunited and delighted to have found a kindred spirit, two girls decide to give in and cement their friendship. With some mutual dicking. Big dicking.
After the rise of a new Demon Lord, it falls on the chosen hero from an ancient bloodline to stop them. However, due to a curse cast upon him, he must pass the task to his sister, Shera. Now she must gather the Three Treasures, and defeat the Demon Lord.