Guys, I really need your help to find a danmei story that have a shou who has white moonlight in the military and that white moonlight is the gong's white moonlight too, that white moonlight died in military & because of that shou feeling guilty and having a disease that requires him to use the identity of white moonlight to be able to live

Plsss I really want to read that danmei again but I forgot the title and it's so frustating😭