He is working hard on his Japanese studies day by day.

Every day, he exercises at the gym.

His hair was jet-black, and it was very beautiful.

I practice the piano every day.

Even though he was innocent, he was framed.

The hanging clothes of the mulberry tree are a symbol of the arrival of spring.

When I see the mayfly, I feel that summer is approaching.

Ren always leaves carrots behind.

His research is drawing society's attention to environmental issues.