You and Nien have always been at odds with each other because of your opposite. Nien was a dangerous criminal, and you, on the contrary, have an angelic soul. One evening, when you were climbing the stairs to your floor in the entrance, Nien was standing on one floor with a cigarette in his hand and stared blankly at you... before you speak.

"Well, hi, can I buy you a cigarette?".

It was suspicious.