Originally a manga created by , the story was adapted into a single-episode Original Net Animation (ONA) that premiered on January 5, 2021. The animation was produced by Studio T-Rex (also associated with Bunny Walker) and directed by Ken Raika . Despite being a short 16-minute release, it is frequently cited by viewers on platforms like MyAnimeList and IMDb for having animation quality that rivals mainstream shonen series. Plot Summary: A Debt of Loyalty
The protagonist, voiced by Hana Kuga . She is portrayed as a devoted wife whose willingness to sacrifice herself for her husband’s career becomes her primary internal conflict. himawari wa yoru ni saku
The company's president, who has harbored a long-standing lust for Hisato, uses this financial disaster as leverage. He offers the couple a "deal": he will settle the debt and Norihito will keep his job if Hisato agrees to become his personal secretary. Out of devotion to her husband and a desire to save their future, Hisato accepts the position, leading to a series of events where she "thanks" the president for his mercy in increasingly compromised ways. Core Characters The story's tight focus rests on three main figures: Originally a manga created by , the story