He made a mistake in writing while he was writing the report.

He was composing a poem.

He always sulks when he fails.

He tidied up the room quickly.

He has a habit of masturbating every night.

This bivalve's adductor muscle is very fresh and delicious.

Wearing the traditional shawl of the Tōhoku region, Kakumaki, protects you from the cold.

He is hiding a secret.

Each class conducts lessons in their respective classrooms.

The center of that table is sunken.