仲良し
なかよし (nakayoshi)
close friends, good friends
noun
Example
田中さんと佐藤さんは小学校からの仲良しです。
たなかさんとさとうさんはしょうがっこうからのなかよしです。
Tanaka-san to Satou-san wa shougakkou kara no nakayoshi desu.
Tanaka-san and Satou-san have been close friends since elementary school.
Often used to describe people who get along very well. Can also be used as an adjective in the form 仲良しの (nakayoshi no).