[NENIGE] A Boy's Semen Is A Witch's Treasure [tsuyoshi]

A powerful witch with massive, voluptuous breasts lures a shy, inexperienced boy into a pact, demanding his semen as a key ingredient for her alchemical experiments. She teases and dominates him, teasing his virginity before indulging in intense paizuri and rimjob, driving him to multiple climaxes while he begs for mercy. The afterword reveals her twisted plan to substitute human seed with goblin essence, promising even more intimate, clingy encounters in future works.