Eighteen-year-old Mumu may not have expected that an insignificant phone call would change her life and make her burst into tears every time she thought about it in the years to come. Although, at that time, we each had people around us who we wanted to accompany.
Twenty-two-year-old Mumu suddenly grew up ignorantly, just because the boy who brought her warmth had gone to another country, causing her to lose the warmth that she had been able to survive. When Mumu grew up, she learned to smile very plainly, learn to be patient, never rely on herself again, learned to be strong, and made every friend around her feel heartbroken.
Twenty-five-year-old Mumu spent three years understanding a truth, and when he turned around, he saw a vast expanse of sky.