Additionally, the ending has proven controversial. Without spoiling, Hana does not win the gold medal. She finishes fourth. The final shot is not of a podium, but of her in a local pool, doing laps alone, a small smile on her face. For viewers trained on Western sports dramas where the underdog always triumphs, this was jarring. But for its core audience, this was the point: the joy is in the doing, not the medal. Gadis Perenang Mungil (SONE-366) has already been renewed for a second season, which will follow Hana’s attempt to qualify for the Olympics. More importantly, it has changed the conversation about what a Japanese drama can be. It is a co-production that respects its Southeast Asian audience, a sports drama that hates the tropes of sports dramas, and a coming-of-age story about an adult who is still becoming.
Eiji Akaso as Coach Ren provides the perfect foil. Where Hana is expressive in her silence, Ren is repressed. His backstory—the shoulder injury, the alcoholism, the estrangement from his own daughter—is revealed in fragments, often through his interactions with Hana’s grandmother. The series wisely avoids a romantic subplot; their connection is purely that of two artisans: one old, one young, both seeking redemption through the mastery of a craft. Mika Ninagawa brings her signature hyper-saturated color palette to the pool deck. Rival teams are bathed in neons and harsh fluorescents, while Hana’s home pool in the countryside is filmed in soft, Kodachrome-like warmth—amber sunlight, faded blue tiles, and the deep green of surrounding rice paddies. Additionally, the ending has proven controversial
The score, composed by Yoko Kanno (of Cowboy Bebop fame), is a minimalist electronic-classical hybrid. The main theme, “Petite Vague” (Small Wave), uses a solo cello and a glitchy, metronome-like beat that mimics a swimmer’s breathing pattern—two beats, inhale, two beats, exhale. It is a motif that haunts the viewer long after the credits roll. Gadis Perenang Mungil arrives at a specific cultural moment. In Japan, discussions around shōgai (disability/handicap) and kosei (individuality) have moved from the margins to the mainstream. The traditional corporate model of the “standardized person” is eroding. Hana’s story resonates because she does not overcome her smallness by pretending to be big. She wins (and loses) by exploiting her smallness. The final shot is not of a podium,