Hana Ichijo, stepsister to Tatsuya Fukuda following their parents' remarriage, first encountered him at age five during his football match. Instantly captivated by his playing style, this early exposure ignited her passion for football. Witnessing Fukuda's career-ending injury later solidified her ambition to become a sports surgeon, driving her intense focus on nutrition and sports medicine to prevent similar fates for other players. Physically, Hana is a teenage girl of average height for her age, with long blonde hair and green eyes. Her personality is naturally blunt and frequently irritable, especially around Ashito Aoi. Despite this outward demeanor, she consistently demonstrates care for Ashito and other players, embracing a supportive role. Her goal to become a sports surgeon fuels her extensive nutritional knowledge, leading her to regularly prepare meal plans for players, notably Ashito and Haruhisa Kuribayashi. Her relationship with Ashito begins with an accidental collision during youth tryouts. Initially skeptical of his abilities and finding him annoying, her perception shifts dramatically upon witnessing a skillful assist during a tryout match that echoes Fukuda's younger style. She evolves into his staunch supporter, declaring herself his "first fan in the world," constantly encouraging his nutrition and effort. She becomes uniquely capable of reaching him during moments of anxiety or recklessness, understanding his emotional states, and fiercely defends his potential against criticism from coaches and teammates. Romantic feelings develop between Hana and Ashito over time. She confesses her love in chapter 336, revealing her conflict between pursuing medical studies in Spain and her desire to stay in Japan supporting him. Ashito's reciprocation in chapter 409 reveals he likely started liking her from their first meeting. He acknowledges her unwavering support through difficult times and assures her his feelings remain unchanged despite her move. They agree to date exclusively, with Ashito vowing to join her in Spain after establishing his professional career. Hana tearfully agrees to wait, giving him a peck on the cheek. Ashito also requests she continue sending him nutritional plans, maintaining this practical support within their relationship. Hana evolves from Fukuda's admirer into an individual with distinct professional ambitions and emotional autonomy. While she stays connected to the team through nutritional support, her personal journey centers on balancing her medical aspirations with her romantic relationship. This blend of pragmatic caregiving and emotional vulnerability establishes her as a stabilizing presence in Ashito's career trajectory.