also: ラブチェアー
noun
love seat; love chair
A small sofa or wide chair designed for two people to sit closely together.
新居のリビングにラブチェアを置いた。
We put a love seat in the living room of our new home.
カフェの隅にラブチェアが二つ並んでいる。
Two love chairs are lined up in the corner of the café.
ソファ is a general sofa, usually larger and seating more people, while ラブチェア is specifically a compact two-seater.
二人掛けソファ is a more descriptive Japanese term for a two-seater sofa, while ラブチェア is a loanword with a romantic nuance.
Loanword from English 'love chair' or 'love seat'.