She's on kitchen duty, actually.

...Or an aperitif for one.

Well, I guess it's just wine on top of wine? Whatever!

Let us warm ourselves with a drink, Mayumi. Heat is a necessity of creation.

Keiki-sama! Please... At least let me pour—

It's a birthday party. Relax, Mayumi, relax!

There's nothing more worth celebrating than someone being born.