This study delves into the theme of infidelity within the context of 'Ajo Obi' through a reader response approach. Examining the intricate narratives and characters in the literary work, it explores how readers perceive and engage with the theme of infidelity. The study reveals the diverse and often emotional responses that infidelity can evoke, shedding light on the complex ways in which this theme resonates with readers. By employing reader response theory as a lens, it offers valuable insights into the subjective and multifaceted nature of literary interpretation and the emotional impact of infidelity as a narrative element