Just water. Pure natural spring water. His recent worry is being used as an ingredient for home-brewed tea. He's sad because kids have been avoiding him lately. A very common water found everywhere.

Just tea. Standard tea packed with potassium and magnesium. His worry is that his kind is dwindling because consumption spikes during the summer. A bottled tea you can buy at any supermarket for around 200 yen.

Milk. Low-fat milk with low lipids and calories. Her worry is that people don't buy her much lately because they say low-fat milk tastes bad. In reality, the flavor is thinner than regular milk. Low-fat milk sourced from a standard Holstein cow.