Those things are how Sanae expresses her move, seeing as her face is permanently paralyzed in that freaky grin of hers (Like Soara's Kotone).
#113 Tonight's MenuSanae.I-it's not like I'm making it since it's Suwako's favorite.I'll be making hamburg curry* tonight, so go and buy the ingredients.* - Curry rice with hamburger meatPlus...
She won't be back anyway even if I make her portion...Ah, no! I'll make it! I'll make it for sure!!