Lethal Love Meets Loyal Sisters in CLSC Pick, Oyinkan Braithwaite’s ‘My Sister’ by Amy Guay on July 31, 2019 share Braithwaite Bloodstains menace the pages of My Sister, the Serial Killer. In the novel’s first chapter, Ayoola — gorgeous, magnetic and the eponymous murderer — has just fatally stabbed her boyfriend of exactly one month,