Ron's mother countered the claims through Garosero Research Institute, made by Kim Soo-Hyun's agency Gold Medalist including the love letters sent to her daughter, which were described as being sent by a "close friend.

Kim Soo Hyun and Kim Sae Ron were in a relationship. However, the former actor’s agency denied alleged involvement in Kim Sae Ron’s financial struggle and death.

Kim Soo Hyun's agency has finally addressed the rumours about his relationship with late Korean actress Kim Sae-ron.After the death of the High School Love On star’s in February, some pictures and letters surfaced on the internet