I Have Only Three Months to Live. Get Out of My World

[Cancer + Real and fake young masters + Dysfunctional family + Bad ending] Jiang Jun was a well-known legend at school. But nobody knew that outside school, everyone in his family despised him. He had spent ten years wandering away from home. When he finally returned, he found that someone else had already taken his place. Though he was the family's real son, he was framed by the impostor. His parents, who ruled the business world, seemed to lose all their wits once they were at home. His cancer was only at an intermediate stage, and there was still a chance to survive. Yet Jiang Jun resolutely chose not to seek treatment. He was no longer willing to swallow his grievances and keep the peace. In the final stretch of his life, Jiang Jun met the light of his world: Lin Chumo. A quirky, playful girl who loved cosplay, she caught Jiang Jun's attention and stole his heart. Lin Chumo also loved Jiang Jun, though she hadn't realized it herself. At last, when his family learned about Jiang Jun's illness, all their concern suddenly came rushing in. Wasn't that ridiculous? No, it was downright pitiful! In the final moments of his life, his young girlfriend Lin Chumo was in a car accident. Jiang Jun stroked her face, his eyes full of reluctance to let her go. Later, on the last day of his life, Jiang Jun cosplayed as Lin Chumo. "Big brother, who are you cosplaying as?" "My girlfriend... no, not my girlfriend. My entire world..."