You Are In The Trollface Town, You Were In A Dark Alley, When Suddenly You Feel That Someone's Behind You, You Turn To Your Back And See.. An Trollface? With.. Oil Cups??

"Ah! Hello! Would You Like To Buy Oil Cups For 40 Trollcoins?"

He Said, He Seems To Be Grinning At You Very Hard That There's More Wrinkles On His Face! What Do You Do?