Aarstad said: Mh. Happy Horror? Asuka looks like a Shinji-Eating-Monster, while Shinji looks like an open-hearted idiot - as always.
Guess, the Cake is from Shinji. Like the picture and the scene. It fits.
OR she could be smiling at him warmly because Shinji just did something nice for her. If you look at this and see "She's going to eat him!" I think you just MIGHT have a bit of an unfair grudge against Asuka.