One is a fickle playboy who indulges himself in the pleasures of the world; the other has weathered countless storms and puts reason above emotion. A relationship that began with the motto "Live for the moment" gradually became a bloodless battle, one fought by winning the other's heart. Between suspicion and testing, they kept pushing each other's limits, falling while fully aware and growing attached in confusion, until they were trapped by their own making. Who took it more seriously? Who took the other seriously?