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Pure Brightness is the twelfth episode and finale of the second season of the 7 Seeds anime. It aired on March 26, 2020 on Netflix.


Problems persist in the ship as the spreading bacteria begins attacking. The missile countdown continues as the team makes a mad dash to exit.

Half the team succeeds in trapping the bacteria in the recesses of the ship. The team then mobilizes to attempt to stop the missile timer. As all hope seems lost, the timers suddenly pause. The ship loses power and the missile timers power down. It is soon discovered that the bacteria interfered with the ship's systems, resulting in a power shutoff.

The group stands outside the ship and embraces the daylight before returning to the new home they have established.

Hana and Arashi set their sights on living, but continue living separate paths, having yet to find each other.