He chose to participate in an orgy.

There are a lot of old furniture in the storage room.

He got jealous when he saw her talking to another man.

He needs long-term drug therapy.

This era was a turbulent era.

An ovum is a female reproductive cell.

She is a twin sister.

Arashi is my best friend.

I was reading a book under the Koelreuteria paniculata tree.

He grabbed the handrail when he went up the stairs.