OVA
Description
Nasa Yuzaki, born May 5, carries a name meaning “as vast as space”—a testament to his father’s aspirations for his boundless potential. Childhood teasing over his unconventional name fueled his academic drive, propelling him to national recognition as a prodigy with record-breaking exam scores. His trajectory changed one snowy evening after a fateful encounter with Tsukasa, a girl whose presence compelled him to recklessly chase her into traffic. A truck collision nearly claimed his life, but Tsukasa shielded him, bearing catastrophic injuries herself. Bleeding and desperate, Nasa braved a blizzard to find her, confessing his love and accepting her marriage ultimatum before collapsing.

Recovering but irrevocably altered, Nasa abandoned formal education for delivery work, clinging to hope of reuniting with Tsukasa. Two years later, she arrived at his doorstep with a marriage certificate, binding their futures. Their union balances tender awkwardness and devotion: Nasa flusters easily under Tsukasa’s affectionate teasing but prioritizes her happiness with unwavering resolve. A blend of sharp intellect and social inexperience, he navigates life through methodical logic while wrestling with emotional transparency, his earnestness anchoring their promises.

Sporting short purple hair, green eyes, and a practical wardrobe of hoodies and jeans, Nasa’s 169.5 cm frame mirrors his unpretentious demeanor. His loyalty extends beyond Tsukasa—he once aided the Arisugawa siblings’ bathhouse during financial strife, showcasing his quietly supportive nature. Though aware of Tsukasa’s mysteries—her fluency in ancient scripts, eerie familiarity with historical ruins—he chooses faith in their bond over pressing for answers.

Pivotal moments deepen their partnership: introducing Tsukasa to his parents sparks hushed discussions hinting at familial secrets; a trip to Nara unveils her wistful connection to centuries-old landmarks. When fire destroys their apartment, Nasa’s resourcefulness and foresight guide their rebuilding, marking his evolution from isolated scholar to resilient partner. Through crises and quiet joys, he balances curiosity about Tsukasa’s past with steadfast commitment, his growth defined by emotional openness melding with the relentless resolve that first propelled him into her world.