If only there's more of Byakuren pouting for not knowing something that her "children" know.
Nope, That is Tanabata.So when you write your wish on a short note then hang it, it'll be granted...This is a Christmas tree.Ahh! So this is the tree?I knew that.It is.Don't be foolish.Wow! Even Hijiri pouting is so cute!Even so, she hung a short note after all.