Actor Park Seo Joon recently revealed a touching tale about how his contribution played a vital role in saving a life. On April 29, he took to his personal social media platform to share a handwritten note he received from a family. The note expressed gratitude as their loved one was able to undergo a stem cell transplant surgery due to Park Seo Joon's donation. Park Seo Joon, alongside the post of the note, emphasized the importance of living earnestly and expressed a wish to meet the family in good health. The heartwarming letter from the family shared the story of a child diagnosed with a brain tumor in January 2024. The family faced emotional and financial hardships, but Park Seo Joon's intervention provided them with hope and support. The family was moved when they informed the child about Park Seo Joon's sponsorship of the surgery. The child vowed to recover and become famous to personally thank the actor. The family found joy and laughter after a long time, thanks to the help they received. The letter concluded with a commitment to offering support to others in need. Furthermore, Park Seo Joon also disclosed a letter from Samsung Medical Center acknowledging the positive impact of donations on patients' lives. The hospital praised donors for instilling courage and hope in the recipients. Meanwhile, Park Seo Joon was announced to star in JTBC's upcoming drama, "Waiting for Humanity."