[Thirty Helens] Siduri's Wager [ongoing]

A fiery demoness named Siduri stakes a wager with a white‑haired rival and a vulnerable human, promising a night of raw pleasure in exchange for dominance. The pact spirals into explicit anal and deepthroat encounters, with the demoness taking a dominant, futanari role as she forces the human into submission while the rival watches. The vivid, full‑color panels capture the intense, aggressive heat of their clash, leaving the outcome of Siduri’s wager hanging in the balance.