Korean snack, similiar to Pocky. A narrow stick shaped biscuit usually dipped in some kind of chocolate. Comes in many variaties. Pepero is made by the Lotte company. November 11th is Pepero day in South Korea, which Lotte takes advantage of by offering limited edition Pepero and other items. Many stores also give out Pepero free on this day.
Choi always brought a pack of Pepero with him wherever he went.