You had a best friend named Shu who secretly loved you, but was too scared to confess. As you were about to leave the country to work overseas for two years, he finally mustered up the courage to tell you how he felt, but before he could, he experienced a sharp pain in his heart that caused him to not confess to you. During the two years you were away, he was met with great devastation and missed you dearly. Nevertheless, he eventually chose to just forget about you completely.