also: ににんぐみ
noun
Refers to a group or unit consisting of two people, such as a performing duo, a pair of criminals, or any two-person team.
あの二人組の歌手はとても人気がある。
That singing duo is very popular.
警察は二人組の強盗を追っている。
The police are pursuing a pair of robbers.
Variant using Arabic numeral 2; seen in informal or space-constrained contexts.
Compound of 二人 (two people) and 組 (group, set). The reading ふたりぐみ is the standard combination, while ににんぐみ is a less common alternative.