So... is Soul Link finished or not?
NO, it is not finished.
Why?
MangaUpdates contains information about the anime adaptation and indicates that it is incomplete.
Watching Order (by release date)
Here you have all the anime relations we detected ordered by release date, so you can see the reason for this status in context and also use it as watching order.
The mangas and the non-core contents are excluded by default, but you can enable them by clicking the buttons below:
Synopsis
Soul Link tells the story of Ryota Aizawa and his classmates, students at the Central Military Academy, who are undergoing training on the Aries space station in the year 2045.
Their training exercise is abruptly interrupted when a terrorist group called Hallarax attacks the station.
Stranded and in a dangerous situation, Ryota, along with Saka and Kazuhiko, must band together with their fellow classmates to survive the attack and find a way to return to Earth.