The main joke here is that Mash is feeding Saber the embers using kewpie mayonnaise. "Kewpie" sounds like "QP", which is what players use alongside XP Embers to pay for the level-ups.
when i realized that this took at least 175 chapters to move on to whats basically part 2 of an intro level, i literally just started wheesing laughing my mf sides
