During her junior high school days, Haruna Nagashima’s life revolved around two passions: playing softball and reading manga comics. However, upon entering high school, Haruna decides to switch focus towards finding a boyfriend for an unforgettable high school romance experience. To facilitate her mission, she enlists the help of Yoh Komiyama, a charming senior student, to transform her tomboyish self into the feminine girl who can attract guys. Yoh agrees to coach Haruna on one condition: she must not fall for him!
Haruna hopes for Koukou Debut to turn over a new leaf by learning how to act like a proper lady. She tries to pick up feminine hobbies, apply makeup, and dress in a more girly manner according to Yoh’s advice. At first,Haruna struggles with these changes to her usual laid-back lifestyle and sporty attire. transitioning from a jock to a lady proves challenging! However, her motivation to find a boyfriend spurs Haruna on to master these girly arts through practice and persistence.
With Yoh’s coaching, Haruna’s transformation is progressing well but she starts to develop feelings for her mentor along the way. This poses a problem as Yoh has forbidden her from falling for him. Will Haruna be able to find her true love in high school or will she break her promise to Yoh? How will Haruna balance her new makeover with her usual softball activities and manga reading? Can she maintain her own unique qualities while adapting to more feminine pursuits?
The endearing characters and humorous storytelling in this manga series make Koukou Debut an enjoyable read. Readers can relate to Haruna’s hopes and struggles in exploring romance and identity during her formative high school years. Overall, this shoujo delights readers by depicting Haruna’s funny antics and mishaps in her quest for love with the support of good friends.