Glass-goshi no Koibito Beyond the Screen

Synopsis

Shoko, who's searching for a partner, hits it off with Ukai, whom she meets on a dating app. However, he's from a parallel world, and the only way they can connect is through her smartphone screen... As she spends her days with a boyfriend she can neither meet nor touch, Shoko uncovers a certain truth about him... (Source: MANGA Plus)