Cathartic is a written collection that explores the complexities and emotional journey of being a late-teenage girl. Through raw and honest verses, Castro delves into themes of self-discovery, growth, heartbreak, and resilience. The poems and prose pieces reflect the turbulent period of transition from adolescence to adulthood, capturing the confusion, hope, and desire for empowerment that often accompanies these years. The collection is deeply personal, offering an intimate glimpse into the struggles with identity, relationships, and societal expectations. Overall, Cathartic is an emotional release, capturing the intensity of feeling that defines the late-teen experience while also showcasing the strength found in embracing vulnerability.