My Sister, the Serial Killer by Oyinkan Braithwaite

In “My Sister, the Serial Killer,” a novel written by Oyinkan Braithwaite, the reader is immediately immersed in an exciting and morbidly funny thriller that delves into the complexity of sisterhood, devotion, and the demands of society. This engaging book is set in Nigeria, and it takes readers on an exciting trip as the protagonist, Korede struggles to come to terms with her sister’s propensity for murder.

The Goings-On:

Korede, a dedicated and responsible nurse, is at the center of the narrative. She discovers that her sister Ayoola is harboring dangerous secrets, and she becomes enmeshed in those secrets. Korede is left to clean up the bloody and emotional wreckage left behind by Ayoola’s disturbing pattern of killing her men, both literally and symbolically. Korede is caught between the need to protect her sister and the need to confront the ethical repercussions of her sister’s acts, yet she continues to be strongly loyal despite the troubling behavior of her sister.

As Ayoola continues her campaign to get rid of males, Korede finds herself in an increasingly difficult situation. This is because Ayoola has begun dating Tade, who is a man for whom Korede has a hidden affection. This circumstance further confounds Korede’s sense of right and wrong and paves the way for significant mental and emotional upheaval.

Investigated Themes:

1. Sisterhood and Loyalty: The story “My Sister, the Serial Killer” explores the complex relationships of sisterhood by highlighting the strong link that exists between the two main characters, Korede and Ayoola. Korede, despite Ayoola’s activities, feels bound to protect her sister, which leads to a tumultuous investigation of loyalty and the extent one would go to preserve family bonds. Ayoola’s actions are the impetus for the plot.

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2. Societal Expectations: Braithwaite draws attention to the societal expectations that are positioned onto women within the context of Nigerian culture. She uses her characters to question the conventional gender roles that have been established and to bring attention to the pressures that women feel to comply to cultural conventions, which frequently comes at the expense of the women’s own happiness and well-being.

3. issues About Morality and Conscience The book poses issues about morality and conscience that are thought-provoking. 3. Korede needs to face the fact that she was complicit in her sister’s misdeeds and must contend with the internal conflict of whether or not she should do what is right or try to protect her sister.

The Author’s Voice and Its Reception

The writing style of Braithwaite is incisive, witty, and tinged with a dark sense of humor, which adds an unexpected dimension of levity to the otherwise horrific plot. The novel’s clear and straightforward style keeps readers interested, and the fact that each chapter ends on a cliffhanger moves the narrative in the right direction.

The book “My Sister, the Serial Killer” has been met with universal acclaim from reviewers. It has received acclaim for the originality of its plot, the allure of its characters, and the depth of its investigation of various topics. The fact that the book was considered for the renowned Booker Prize in 2019 further demonstrates the work’s importance to the world of literature.


The novel “My Sister, the Serial Killer” by Oyinkan Braithwaite provides readers with an exciting and darkly hilarious examination of sisterhood, loyalty, and the limits of morality. Braithwaite has established himself as a skilled and perceptive author as a result of the success of this novel, which has grabbed people with its thought-provoking ideas, crisp language, and compelling plot. This story is an engrossing page-turner that stays with the reader long after the last page has been turned because it delves into the complexities of human relationships and the expectations placed on them by society.

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