Tsukasa Bullet - Holstein Hanako is depicted in a dynamic combat-ready pose, her silhouette framed by a high-tech platform base. The doll-like styling features a bold Holstein pattern—black patches over white armor panels—transposed onto a sleek, form-fitting suit. Subtle weathering accents give a sense of battlefield grit, while neon cyan seams trace the edges of her armor, emphasizing motion even in a static pose. Her headgear includes a compact visor and horn-like protrusions that nod to her namesake, with a short cape fluttering behind. Textured gloves and boots display fine micro-sculpt details, and the optional energy accessory clings to her wrist, catching light to suggest contained power.

Holstein Hanako is a prodigy pilot and the heart of Tsukasa Bullet. In a world where constellations of cities float above shattered seas, she channels ancient mercy with modern firepower. Born into a troupe of traveling engineers, she learned to adapt and improvise, turning found technology into life-saving gear. In battle, she uses her Holstein-patterned armor as camouflage in urban landscapes, slipping through crowds, launching a precise array of energy strikes to disable oppressive regimes. Her loyalty to friends and her stubborn curiosity often pull her into alliance and rivalry as the series explores identity, rebellion, and hope. Hanako's journey reveals resilience and surprising humility.