Mr. Tanaka, sorry to have kept you waiting.

Pisonia umbellifera, also known as Udonoki, is a plant commonly seen in tropical regions.

The Pisonia umbellifera is known for its beautiful flowers.

Mr. Takadono is my best friend.

What is this device used for?

He has problems with executive functioning.

This high-functionality smartphone has many convenient features.

His high-functioning smartphone greatly helps his daily life.

The doctor recommended a blood test to check my liver function.

Mr. Doujou is my best friend.