expression
alone together
Jocular phrase describing a group of people who are together but each absorbed in their own device or activity, feeling a shared sense of solitude. Derived from みんな (everyone) and ぼっち (alone, from ひとりぼっち).
See also: ぼっち
カフェで友達と座っているけど、みんなスマホを見ていて、まさにみんなぼっちだね。
We're sitting together at a café, but everyone's on their phone—it's exactly 'alone together.'