I'm a Serious Adventurer, I Just Have a Lot of Love

Traveling to a different world of swords and magic, Ryan found himself lying on an unfamiliar bed, his whole body aching, and several women standing next to him were discussing where he belonged. Miss Succubus: "I'll use it for a month first." Crazy Alchemist: "Next month is mine." Necromancer: "Death is mine." Good news: He seems to be quite popular. Bad news: When they say "use," they mean it literally. Even worse news: the original owner was an unlucky illegitimate son of a nobleman who had just messed up a sacrifice to an evil god and was cursed with only one year left to live. "Another Universiade, I want to change to a different world!" Then the system lights up. Upgrade and draw rewards, the first reward is Holy Light. Ryan looked at the succubus and fell into deep thought...