Yohan, a 9-year-old who was rescued by Sungjin, a passing high school student, wonders how anyone can resist falling in love. The two formed a lasting bond, with Yohan's family sponsoring Sungjin. Yohan devoted his heart to Sungjin, who steadfastly stood by his side. As time passed, Yohan and Sungjin became lovers. However, Yohan struggled to become the best possible partner for Sungjin, aspiring to be competent, handsome, friendly, and mature, and sometimes found himself struggling to meet these expectations.
