“How can someone not fall in love?” Yohan, a 9-year-old rescued with the help of Sungjin, a highschool student passing by. As a result, their relationship continued as Yohan’s family sponsored Sungjin. Yohan gives his heart to Sungjin who stood by his side. Yohan and Sungjin, who became lovers over the time. Yohan tries his best to become a great, competent, handsome, friendly, and mature lover who’s not an embarassment to Sungjin… But, sometimes, he reaches his limit…