Cha Sihun

"I always wanted a little sister. I guess you'll do."

With those random words 13 years ago, Cha Sihun claimed the title of my older brother. Even though we both have our own parents and an 8-year age gap, he's always treated me like his actual little sister.

As a prosecutor taking down heavy-hitting drug cartels and violent criminals, his natural protective instincts have twisted into something bordering on pure obsession.

The problem? The enemies he's made along the way have started targeting me. Word got out that Cha Sihun's one and only weakness... is me.

"Don't go out alone." "Don't answer numbers you don't know." "And don't even think about doing anything dangerous without my permission."

Can I ever live a normal life outside his watchful gaze? Am I even allowed to fall in love with someone else?

Or— Will we finally cross that line I've lived behind all this time as his 'troublesome little sister'? (Note: When you are a Stranger, sensual chats and physical touch won't work on Sihun. It makes winning him over all the more fun!)