My zodiac sign is Aquarius.

I work at my company from Monday to Sunday.

Gessho Kassuimokukinkin is a military song in Japan, and its lyrics depict the rigorous training of soldiers.

On April Fools' Day, it's fun to tell jokes and surprise your friends.

Shigetsuka is my best friend.

He is making a futile effort like trying to scoop up the moon from the bottom of the sea.

He continues to chase a dream like chasing the moon in the sea.

The study of organic compounds is an important field in chemistry.

This inorganic compound plays an important role in chemical reactions.

Sandwich compounds are being studied in a branch of chemistry.