TL note: A yuzamashi is a bowl to cool boiling water to the appropriate temperature for certain types of tea, such as gyokuro (the inspiration for Kuro).

TL note: “Gyokuro” is the type of tea Kuro is inspired from. One of its traits is that is is grown under the shade.

TL note: For the rest of the notes in the comparison, check the reference art for WAKE CUP! Earl.

TL note: A kaishi is a type of paper used in tea ceremonies to place sweets on the table and as a napkin.

TL note: A nerikiri is a confection served during tea ceremonies.

Source.