Lee Hyun, a lifelong single who could only dream of romance, was hopping from one part-time job to another just to pay off his debts and medical bills. One day, while delivering coffee as usual, he bumped into the famous model Si-An and suddenly found himself robbed of her first kiss!!

“Let’s make a deal.”

Not content with just stealing someone’s precious first kiss, Si-An abruptly proposes a contract relationship to Lee Hyun. But his true identity is... an incubus?! Will Lee Hyun, a virgin and lifelong single guy, manage to graduate from his virginity?

(Source: Bomtoon, translated)