Fine Line is the fourth album by Japanese synth-pop duo Pasocom Music Club. The album was released on May 10, 2023, through the group's management company Hatihati Pro. The album's theming is centered around space and aliens.
Two songs were released as singles, "KICK&GO" and "Day After Day". On release day, the album hit 17th on the Oricon chart, and the group were featured guests on NHK FM. The group announced a release tour across Japan throughout June and July 2023, featuring appearances from and imai of group inou, among other artists.