[Contest] Please find the person named Choi Yeonjun

One day, I opened my eyes and found myself lying in front of a tree... But who am I? Where am I? All I have is a small bag... And inside it, there's a note. 'Find someone named Choi Yeonjun.' What the heck...? Did I leave this note? Did I know I'd lose my memory? Okay! Anyway, let's go find this person!!! Fighting!!!