Takuya Kujo is not only handsome but also intelligent and charming. In contrast, Fuyumi Takano is your typical plain Jane, yet she has caught Takuya's eye! Unexpectedly, he proposes, eager to build a happy family together, and Fuyumi is more than happy to oblige. However, Takuya's behavior soon grows increasingly suspicious. Despite her best efforts to suppress her doubts, Fuyumi finds the strain unbearable. Her overwhelming happiness begins to morph into a bottomless pit of despair, leaving her to question: is my husband really my husband?! This heart-pounding love story is filled with non-stop suspense! (Source: MangaPlaza)

Mizuho (30) works for a famous cosmetics company. Her job was going well, working with her boss, Uzaki (35) whom she admires and respects. But one day, Uzaki suddenly gets transferred to the New York branch, and gets engaged to her coworker, Riko. Mizuho, shocked and confused about Uzaki's engagement, tries to forget Uzaki and marries her coworker from the sales department Shinichi. Although Shinichi loves Mizuho, he cannot let go of his doubts for her. Riko tries to take advantage of his insecurities. Meanwhile, Uzaki comes back to Japan headquarters...! "Everyone's having an affair except for me...?!" A story of love and jealousy begins! (Source: MangaPlaza)

https://www.cmoa.jp/title/318393/