Riko Tachibana, the sluttiest of them all, finds herself in a special hell designed just for her retirement. In this eternal, unending realm of lust, she's forever subjected to the strongest, most insatiable cocks. She takes them in every hole, her body a temple to the carnal desires of the damned. Yet, even as she's filled with cock and cream, Riko's appetite remains undiminished, a testament to her immortality as the world's ultimate slut.