Having trouble controlling his pheromones, Lee Yi Dam ended up missing his second CSAT exam. While he was discouraged and pretended not to be able to take the exam a third time, he almost fell off the railing of a bridge. A fox-like man, Cha Sun Woo, saves him from danger. However, this man is a bit strange.” You are an omega, right? Do you want to marry me? I will take good care of you.” He claims that Yi Dam can go to college if he marries her. Will Yi Dam succeed in entering college?!