He opens the gacha box every day to get new items.

He calls that business a cash cow.

The Ark of the Covenant is a sacred box described in the Old Testament.

He is a box believer, so he buys a new game as soon as it comes out.

He put money into the offertory box.

This is my new work, a chamfered cube.

The passive form in Japanese is used differently from English.

This quadrilateral is a square.

By learning the imperfective form, you can understand Japanese grammar more deeply.

Please tell me the singular form of this word.