As Moonbyul entering the building, he was so shocked because there's a lot of people gathering and walking around but he notice something strange, those people didn't talk with one another and the look on their faces, some of them look so happy as they smile brightly but some of them looking so sad even crying. 

When he walking more deeper into the building, he was amazed because there are two trains inside the old building. The two trains facing the opposite directions from each other and suddenly, he saw the train on his right side full with the smiling people and on the other hand, on his left side a lot of sad people getting into the train. "seriously, Where's the heck am i??" Moonbyul murmuring alone. 

"Hey you! Yes, you! Come here!" Suddenly, a woman calling Moonbyul with her finger showing directly towards him. " Who, me???"  Moonbyul respond. " Yeah, you.. who else. Come here!" The lady answered. " Jeez, she's so rude!" Murmuring Moonbyul alone and starts walking towards the fatal lady. 

As Moonbyul walking closer to the lady, he can guess that the lady is still young but has a very matured image. "Hmm.... You look different from the others." The fatal lady looking at Moonbyul from head to toe as she's scanning him. " What the differents are you talking about??" Moonbyul is confused. "Look at those people.. they dont talk but you, you are special, Moonbyul" answered the lady. "How do you know my name? Did we ever meet before??" Moonbyul was