My Healing Slug Steals Lifespan

In the brutal gauntlet of the Hunter Exam, Ron is an anomaly: too cheerful, too unassuming, and claiming to be a mere \"healer\" in a world built on power. Dismissed as harmless, he quickly becomes a target for the cynical and cruel, destined to be weeded out. But Ron harbors a terrifying secret: his \"partner,\" a peculiar, talking slug named Yuanyuan. This isn't just healing; it's a chilling transaction. Yuanyuan instantly mends any wound, no matter how grievous, but its price is the patient's very lifespan, extracted in imperceptible, horrifying increments. As his unique \"medical practice\" begins to spread fear and awe, Ron faces a choice: become the Hunter World's most feared doctor, or prove his unsettling philosophy – that even life itself has a negotiable price. But what happens when Ron encounters a patient willing to pay anything for a cure?