[Katsudon Umauma Honpo] How I Returned to Normal After Body Swapping Only to Discover that My Body was Prepared for Anal Sex [GTF]

A shy short‑haired man and his confident long‑haired partner discover that a mysterious body swap has left his new form primed for intense anal play. The story follows his frantic attempts to resist while his hips tremble, his nipples are teased, and his body reacts with uncontrollable ahegao, culminating in a relentless, pleasure‑driven encounter.