Third season of Teekyuu series.

Without warning in the year 2050, an alien race known only as the Inbit arrive, invade and successfully conquer the Earth. Years later and despite brutal past failures, the inhabitants of Mars Colony send out yet another desperate Liberation Force to try and reclaim their lost home world. The fleet is all but destroyed. However, a lone survivor, Stig Bernard, finds himself on Earth. Gathering a mere handful of resistance fighters, Stig journeys on towards the Inbit's headquarters at Reflex Point in an attempt to gather intelligence and, possibly, discover a way to beat them. (Source: ANN)

Destiny or delusion? It's a hilarious rollercoaster of laughter and confusion when Taishi, the ultimate otaku, drags his friend Kazuki into the swirling world of ambition, hatred, and love—the world of fan comics! Poor clueless Kazuki must sink or swim when he's dumped straight into the middle of a massive comic convention. Lost amidst hoards of buyers, sellers, and cosplayers, Kazuki is about to be baptized by fire, all in order to lead him toward his true calling: to take over the world through fan comics! Meanwhile, Kazuki's childhood friend Mizuki isn't about to let him be dragged from his normal life without a fight! But will she be able to stop the addictive draw of the new world that lies before Kazuki? Little by little, Kazuki is slipping down the path towards destiny—and Taishi is shoving him every step of the way!

At the time of the ceremony of entry to the college, a young boy named Ushino Hayama finds Sara a girl whom he met ten years ago. From this day, a change has taken place in him, and notices that can now control some water. After having succeeded the swimming championships, he discovers deep sea diving.