I Investigated My Father's Murder for Ten Years, Only to Find I Was the Killer

Come Read This Palace-Intrigue Story! Both Leads Are Smart, and It's Not Clichéd

I want something like "The Concubine Is Too Good at Flirting, and the Crown Prince Loses Control Night After Night". I haven’t read a book this good in ages! Both leads are strong. The Crown Princess doesn’t appear until later, and the Crown Prince has no feelings for her. The female lead is incredibly smart, brave, and ambitious. Most...