Boukensha License o Hakudatsusareta Ossan Dakedo, Manamusume ga Dekita node Nonbiri Jinsei o Ouka Suru

a story about a top adventurer getting a mysterious disease that reduces his power and HP each time he uses a skill ,after sometime his adventurer license got revoked (*this is all i can think of for now i just noticed that the description area of this series is empty if anyone has a good description feel free to update this one *)