In the novel, it was LSY who raised his hand first to J to make a pinky promise! A bit sad it got changed here, since I think it holds much more meaning that LSY was willing to keep the promise (and literally waited years)
Who's LSY?
Lee Sayoung/The ML
In the novel, it was LSY who raised his hand first to J to make a pinky promise! A bit sad it got changed here, since I think it holds much more meaning that LSY was willing to keep the promise (and literally waited years)