From Trigger Magazine 008:

今回は満艦飾家のお話との事で、流石に何点かマコちゃんの原画も公開しないとまずいかなーと思います。７話といえばマコちゃんの極制服がカッコカワイかったですね。最後に破壊されてしまったのが非常に残念です！

Since episode 7 did revolve around the Mankanshoku family, I feel obligated to share a good amount of keyframes of Mako. Who would have thought that Mako would actually fight, and look actually pretty damn awesome as well? Too bad her Goku uniform got destroyed at the end.