I am very interested in genetics.

This disease is caused by the gene.

Ken-go is my best friend.

The story of Issun-bōshi teaches us about courage and adventurous spirit.

The police believe that all these incidents were committed by the same criminal.

Recently, I've been troubled by a severe feeling of residual urine.

He worked all night to finish the job he had begged for.

He and I are related by blood.

There is a complex love triangle between them.

The characteristic of annelids is that their bodies are divided into ring-shaped segments.