His grandfather was a member of the special attack squad.

The iliocostalis muscle is part of the muscles in the back, playing a role in supporting the body.

He is doing special exercises to strengthen his iliopsoas muscle.

He is doing special exercises to strengthen his iliacus muscle.

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

My younger brother attends a class for special needs.

The mesentery plays a role in supporting the intestines.

The balance of intestinal bacteria greatly affects health.

There is a proverb that says 'even a dog wouldn't eat a marital dispute,' so we should not interfere in their problems.

Day after day, he continued to strive to solve the problem.