Saeron Kim, Saeron, I love you.Kim Sei-ui unveiled a handwritten letter and wrote "It is a letter with a clear date. Kim has always given nicknames to her lovers. "(Kim Saeron's nickname was Saeronero)" She claimed that the letter was written by Kim. The letter released by Kim Se-eui was written on June 9, 2018. At that time, Kim Soo-hyun was serving in the military. Kim Se-eui said "At that time, Kim Sae-ron was in the second year of high school. A 30-year-old wrote a letter to a second grader in hi
