The internal anal sphincter is a muscle that helps us control defecation.

He was drawing a character of a yellow person.

The Marco Polo Bridge Incident was the trigger for the Sino-Japanese War.

The Special Higher Police was a police organization that was active in pre-war Japan.

I plan to spend this year's Christmas with my family.

This is our official website.

He is majoring in aerospace engineering.

He is attending a college preparatory school.

I found a 'Shinjiro Koizumi phrase' on the internet and couldn't help but laugh.

He is unsociable, so he doesn't participate in parties much.