I'm assuming you're referring to the Japanese phrase "" (Himawari wa Yoru ni Saku In'all New), which roughly translates to "Sunflower Blooms in the Night - New".
Because this is a specific Japanese title, search engines sometimes struggle to connect the dots if you aren't using the exact Kanji (日向は夜に咲く) or the widely accepted English fan-translation title. searching for himawari wa yoru ni saku inall new
(Voiced by Inari Uzuki): Asumi’s husband, whose professional mistake initiates the story’s conflict. I'm assuming you're referring to the Japanese phrase