Lea, an apprentice healer, gets lost in a dungeon while on a quest for job advancement and encounters an Incubus. Intrigued by Lea, Incubus proposes a contract relationship, planning to exploit her energy. The contract terms state that in exchange for Lea's energy, Incubus will become her servant and follow her orders. Under the Incubus's threat of harm if she doesn't agree, Lea reluctantly accepts the contract. However, she only learns after signing that the method of providing energy is through intimate relations! Can Lea, who has maintained celibacy her entire life as a religious devotee, overcome this predicament?

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