二人ふたり暮ぐらし

noun, noun which may take the genitive case particle 'no'

living together as a pair; two-person household

Refers to a living arrangement where two people share a home, often a couple or parent and child. Can be used as a noun or with の to modify another noun.

• 結けっ婚こんしてからずっと二人ふたり暮ぐらしです。

  We've been living together as a couple ever since we got married.

• 二人ふたり暮ぐらしのアパートを探さがしている。

  I'm looking for an apartment for two people.