The Kokin Wakashū is the second collection of the Chokusen Wakashū.

Tokudaiji Sanesada, also known as Goto Tokudaiji Sadaijin, was a court noble and a literary person during the Heian period.

He is doing special exercises to strengthen his tibialis posterior muscle.

Strengthening the occipitalis muscle can reduce neck pain.

An abnormality was found in his occipital lobe.

In this ancient document, the word 'urine' is used.

The doctor recommended a urine test to examine my urine.

You should do this job while enjoying it.

Before taking a bath, first boil the water.

Iyu is a character who heals our hearts.