Referring to the fights on the deserted island in Axis Powers. Done in the style of the third-generation Pokémon games. Not quite a crossover.

sPOILERS (I forget to which point). If Shelly had died in the holiday season, wouldn't Break not want to celebrate, and wouldn't Reim bug him about it?

SPOILERS if you aren't quite caught up with the manga. You know, Reim has never thought about how Emily outlasted Xerx.