She has always been an indifferent person, does not like excitement, and likes a quiet life. He used to be domineering and gentle, but now he is cold and reserved. She was his roommate and lover in college. Roommates were an accident, but lovers were inevitable. They met on a rainy day and broke up on a rainy night. She hurt him deeply, but when they met again, he discovered that he had been deceiving himself for the past five years...