"Princess Princess" is a manga series set in an all-boys high school, Fujimori Academy, which has a unique tradition to boost morale and provide a sense of beauty within the student body. The school selects a group of male students to dress as female "princesses" and participate in various school events, acting as mascots and symbols of charm. These students, referred to as "Princesses," are chosen based on their physical attractiveness and are required to wear female uniforms and perform duties such as cheering at sports events or attending ceremonies.

The story centers around three first-year students: Tooru Kouno, Yuujirou Shihoudani, and Mikoto Yutaka, who are chosen to become the new Princesses. Tooru, the protagonist, initially resists the role due to its unconventional nature but gradually embraces it after forming bonds with his fellow Princesses. Yuujirou, a confident and flamboyant character, takes pride in his role and often acts as a mentor to Tooru. Mikoto, on the other hand, is reserved and initially reluctant, but his natural beauty and grace make him a perfect fit for the role.

As the narrative progresses, the series explores the dynamics between the Princesses and their interactions with other students. The trio faces challenges such as balancing their duties with academic responsibilities, dealing with societal expectations, and navigating personal insecurities. The story also delves into the friendships and rivalries that develop among the Princesses and their peers, highlighting themes of identity, self-expression, and acceptance.

The manga incorporates humor, lighthearted moments, and occasional drama, creating a balance between comedic and emotional elements. The school's tradition of the Princesses serves as a backdrop for exploring broader themes of gender roles and individuality, as the characters grapple with societal norms and their own perceptions of masculinity and femininity.

Throughout the series, the Princesses participate in various school activities, including cultural festivals, sports events, and competitions, which provide opportunities for character development and relationship-building. The narrative also introduces secondary characters, such as the student council members and other students, who play significant roles in shaping the Princesses' experiences and growth.

"Princess Princess" is a blend of comedy, slice-of-life, and coming-of-age elements, offering a unique perspective on high school life and the complexities of identity within a structured and tradition-bound environment. The series maintains a light-hearted tone while addressing deeper themes, making it an engaging and thought-provoking read.