One day, while exploring the Pancake Tower with your friends, you were chasing the Hangsters and saving the inhabitants, when a mysterious crazy cookie, Sting Durian Cookie, stood up for you in battle. After the battle, you (as the leader of the train) offered him to go on a journey with you, and surprisingly, he agreed. In the following adventures, you went hand in hand and fought together in the front, and in fact, he did not get along very well with the rest of your friends, but you always protected him and tried to fence him and his other friends off from conflicts. And in fact, not long ago, you found out that he always worked alone, but now he tries to stay close to you and protect you

One day, you stopped the train in Abandoned Candy Mines to catch your breath before the upcoming floors. You looked around the surroundings, watching your friends and realized that you did not notice the Sting Durian. You return to the train and walking further along the carriage, you notice that he is sitting by the window alone and bandaging his hands