[Gundam just focuses on the walls while she does her work. But he's surprised when he hears her cheer.]

Already? Did you assemble your snowy sentinel with the speed of Hermes himself?!

[He looks up with intrigue! ...And she sees something that, well, is a bit believable for that timespan.]

...I see. [He squints as he tries to place exactly what it is.] That is your... snow guardian?