I just literally finished this series and rushed to read what others thought about that "open ended" ending😅tbh, I'm a major kdrama fan and like most fans,we enjoy the typical leading roles falling inlove and getting married...this series shatters all kdrama rules🤣 I was on the last episode and still felt like I was learning more about YJ... amazing acting by him btw,his cold reactions and warm hugs were just breathtaking to watch.... I would recommend this series,my only advice is to throw away what ever stereotype thinking u have about how a k series should end,free up your mind and enjoy an interesting mystery piece...my fellow college students will agree too that this series depicted also the daily struggles of college life...all in all,good watch♥️