Kanojo ga Yatsu ni Dakareta Hi 1

Newlyweds Kei and Nanami savor the bliss of their marriage, indulging in passionate nights filled with devotion and raw desire. But when a sly co-worker, Tatsuya, sets his sights on Nanami, an unsettling tension arises. As whispers and temptation weave through the office, Kei fights to protect their love, while Nanami wrestles with uninvited advances, their bond tested by an unexpected rival vying for her affection.