Himawari wa Yoru ni Saku

In a tale of passion and professional ambition, Norihito and Asumi Hisato's blissful marriage faces an unexpected challenge. When Norihito slips up at the office, resulting in a staggering financial loss, the company's president demands retribution - offering Hisato a coveted position as his secretary. This opportunity allows her to rectify her husband's misstep, and from then on, she expresses her gratitude to the president with an intensity that betrays her true feelings.