Monkey Sun Is My Younger Brother, also known as MSIMYB and 孙猴子是我师弟, is a captivating fantasy novel that follows the journey of a protagonist who learns spells from their brother, the Monkey King. With elements of Xuanhuan, the story delves into themes of appearance changes, cultivation, and human-nonhuman relationships. Readers will be drawn into a world of mythical beasts, immortals, and kingdom building as the protagonist navigates through challenges and relationships in a tale filled with intrigue and magic.