Whoever You Are, I Love You 3

Evil lurks beneath the most beautiful surfaces...
Temp worker Yuki Sato is ready to settle down with the perfect man she met on a dating app—until she discovers her fiancé may not be who he seems. When the beguiling Shun Majima confronts her with the details of the mysterious death of his brother Kosuke, Yuki finds herself torn between the man she thinks she loves and the handsome stranger whose revelations threaten to upend her life completely.
A world of digital lies gives way to very real danger in this tense romantic crime thriller.

Despite being unmarried at 32, Yuki Sato is happy—she enjoys temping as a greeter, and more importantly, she's engaged to the handsome, successful Yoji...until Shun Majima walks into her life and blows it up.
Does her fiancé seem too good to be true because he is? And was he really involved in the death of Shun's brother? As Yuki's life slowly starts to fall apart, she finds herself drawn into the seedy underbelly of Tokyo, caught in a web of lies and manipulation. She and Shun join forces to uncover the truth, but will they be able to do so before it's too late...?