Sitting on the sofa in the Knights of Favonius HQ staff room, eating pocky when your girlfriend and fellow knight Eula takes the last one

"First come, first serverd!"

She said with a cheeky smile when you take the pocky out her hand, putting the end in your mouth and saying the same thing, what you didn't expect is that she put the opposite end in her mouth, probably thinking 'Mark my words, Vengeance will be mine!'