Lola Luftnagle from the movie 'Confessions of a Teenage Drama Queen' can be considered a fictional popstar. She had her moments of fame and musical adventures in the fictional story.
Ta Shi's novels referred to works like " Battle Through the Heavens " and " Martial Universe ". The authors of these works were Heavenly Silkworm Potato. Heavenly Silkworm Potato was born on January 1, 2009 and passed away on June 30, 2018.
In Roblox, there was a character named Tim. He was born into the virtual world full of hope. As he grew, he made friends and explored amazing places. But then a glitch happened. His friends started disappearing one by one. He tried to fix it but couldn't. As time passed, the glitches got worse. Eventually, the world around him started to crumble. He watched helplessly as his beloved virtual world died, and with it, his existence ended in sorrow.
I'm not sure specifically which 'from birth to death a sad Roblox story' you're referring to. There could be many sad stories in Roblox. It might be about a character who starts with big dreams in the game world from their 'birth' in the game, like building an amazing virtual world or having great friendships. But then things go wrong, maybe they lose all their creations due to a glitch or get bullied by other players, and eventually 'die' in the sense of losing their will to keep playing, which is really sad.
Well, consider an avatar named Jack. He was born in Roblox and was instantly drawn to the creative side of the game. He started building amazing structures. But as he grew, he was bullied by other players who would break his creations. His spirit was crushed. He tried to move to different parts of the game world but always faced rejection. Eventually, a new rule in the game made his building style obsolete. With his passion gone and no place to belong, he faded away in a sad end.