I think the note down where Tatsuta and Inazuma are picking clothes can be interpreted as "You might want to watch 'Grave of Fireflies'". Thus putting as check translation.
The hell is this!!It's your new National Uniform, Tenryuu-chan!Oh myThe ship-girls' lifestyle being like this is because I watch "Grave of Fireflies" nodesuWhatever, just hurry up and go!I'm grateful because I just ran out of changes for clothes-nodesu.Weren't you crying because you hated women's work pants so much?
It's simply the best to be able to buy clothes so freely, isn't it?