Sidonia no Kishi: Daikyuu Wakusei Seneki

Synopsis

Nagate and Izana continue their visit when Yuhata and Tsumugi find a way to eavesdrop them. However, Izana discovers that Nagate was set up by her grandmother and gets angry at him, with Yuhata and Tsumugi returning home and spending the night awoke worried what happened between them. Meanwhile, Sidonia arrives at the Lem Star System and to secure a foothold on planet Lem IX, a reconnaissance party of four pilots using the Hayakaze is arranged, but when one of the selected ones desert and is arrested for treason, Izana is assigned as a replacement. Halfway through the mission, Izana detects an unknown object which is revealed of being a new type of Gauna and both Nagate and Tsumugi watch helplessly through the monitor as Izana and her team struggle against it.

(Source: Wikipedia)