Himawari Wa Yoru — Ni Saku Ova Sunflower Ha Yoru

The story follows and her husband, Norihito, who enjoy a happy marriage and are planning to start a family. Their lives change when Norihito makes a massive financial error at work, costing his company millions. To settle the debt, Norihito's boss—who has long harbored a fixation on Asumi—proposes that she becomes his personal secretary. For her husband’s sake, Asumi accepts the offer, leading to a series of compromising situations as she tries to save their future. Voice Cast Asumi Hisato: Hana Kuga. Norihito Azuma: Uzuki Inari.

During the early 2000s (the tail end of the OVA boom), many independent creators released "OVA-style" doujin (fan-made) animations. One obscure circle, Yoru no Taiyou (Night Sun), allegedly produced a 15-minute short about a girl who transforms into a sunflower entity to protect her town from shadow monsters. The title? "Himawari wa Yoru ni Saku." Only 50 VHS copies were sold at Comiket. This is the most common "lost media" theory. himawari wa yoru ni saku ova sunflower ha yoru

Tone: Quiet, melancholic magical realism with gentle supernatural horror elements; visual emphasis on moonlit palettes, glowing petals, and saline air. The story follows and her husband, Norihito, who

The OVA ends with Yoru disappearing entirely, becoming a ghost of light. The sunflower blooms one final time, illuminating the city for a single hour—a "night sun." The final title card reads: "Himawari wa Yoru ni Saku / Sunflower ha Yoru." For her husband’s sake, Asumi accepts the offer,