Here are some recommendations for modern novels that feature obsessive and pathological themes:
1. "治愈偏執(zhí)的他[八零]" (Curing His Paranoia [80s]): This novel tells the story of a male protagonist who travels to the modern world and overcomes his paranoia through personal growth and redemption. The story also includes a sweet romance.
2. "予我救贖時" (Redeeming Me): This novel explores the mutual redemption between a severely depressed and paranoid male lead and a gentle female lead.
3. "校草他是偏執(zhí)狂" (He's the Paranoia Campus Idol): This novel revolves around the story of a male lead with paranoid tendencies and a female lead who is reborn into his life. They go from disliking each other to supporting one another and eventually falling in love. The novel combines elements of campus life and pure love.
Please note that these recommendations are based on the provided search results and may not represent an exhaustive list of novels in this genre.