Yesung expressed his sorrow over losing his pet dog, Melo. On the 22nd, he posted on his social media account, "A quiet afternoon, when sunlight seeps through the door gap, it still feels like you are wagging your tail in it." Yesung revealed his deep affection for Melo, saying, "Our Melo, the kindest and most beautiful in the world. This house without you is still filled with your warmth."

He recalled precious memories with Melo, saying, "I didn't even know you were sick because I was far away. Yet, you always smiled brightly as usual." Yesung added, "Your short life has filled my entire lifetime. Your warmth still stays in the middle of my day."

He also expressed his longing for his pet, saying, "Thank you for coming into my world. When we meet again someday, I will be the first to run and hug you." Yesung revealed the difficult state of his father, who is struggling with Melo's death, saying, "I can't imagine how my father, who spent the most time with the dogs more than anyone else, feels after losing his daughter."

Yesung's love for his pet dog is extraordinary. He has shown his affection by including a self-composed song about dogs in his album. In a 2023 variety show, he mentioned, "Kkoming and Melo are like younger sisters to me. To my father, they are like daughters." He emphasized their family-like relationship, saying, "When my younger sister was hospitalized, my parents didn't visit her, but when Melo was injured and hospitalized, they visited every day for a week."

Yesung's pet dog Melo was an important presence in his life, and his heartfelt message moved many fans.