C545 Was He Going to Leave Again?

If it wasn't for Doctor Bai's help later on, perhaps this photo would have become a permanent memory. Over the years, when Su Yuchun had nothing to do, she would often find this photo and take a look. But Gong Yu had never discovered it.

Su Yuchun gently touched the photo. It looked like it was very modern. Even the white paper behind the photo was a little yellow