The grey nightjar is a bird that is active at night and, as its name suggests, it sings at night.

Kaizen is my best friend.

Yayoi is my best friend.

His last words were, 'It's okay to go.'

According to legends in Tohoku and Kanto, it is said that once you enter the 'mayoi-ya' (bewildering house), you can never get out.

That hooligan was making a fuss in the park.

He received training at the naval preparatory school.

I often use vegetable oil for cooking.

We are planning to go to the botanical garden this weekend.

He is majoring in botany at university.