The poles are shifting and most of the Earth's land is now underwater! The scientist Zorndyke has created a race of beast people to challenge the humans for global supremacy. But who is the real enemy - Zorndyke or humanity itself?

Tetsu drifts in the open sea. As his life flashes before him, he begins to black out. But when he comes to, he finds himself resting on the hull of a half-sunken ship. His savior is one of the enemies.

Humanity is plagued with attacks by a race of sea mutants dedicated to eradicating mankind. Our last hope is the Blue Submarine No. 6 and her crew, made up of the best personnel available as they fight for the fate of all mankind.

After surviving another undersea battle with Zorndyke's forces, the crew of Blue Submarine No. 6 returns to base for repairs. While on base, Tetsu continues to display his trademark lack of concern for authority and continues to annoy Mayumi.

Tetsu drifts in the open sea. As his life flashes before him, he begins to black out. But when he comes to, he finds himself resting on the hull of a half-sunken ship. His savior is one of the enemies.

Humanity is plagued with attacks by a race of sea mutants dedicated to eradicating mankind. Our last hope is the Blue Submarine No. 6 and her crew, made up of the best personnel available as they fight for the fate of all mankind.

The poles are shifting and most of the Earth's land is now underwater! The scientist Zorndyke has created a race of beast people to challenge the humans for global supremacy. But who is the real enemy - Zorndyke or humanity itself?

This time, the Tesaguri Club tackles the high school brass band. Aoi doesn't care for the idea of a coed club, but it gives Koharu the chance to introduce a romantic element to the proceedings. Later, Mobuko-chan and her sisters join in as Yua conducts...

The more Koharu learns about her mysterious club, the more unsettled she is. For one thing, her fellow members seem to think she may be the "main character". For another, Yua has the ability to read Koharu's thoughts... or at least hear her voice-over ...

Yua and Aoi tease Koharun by saying embarrassing things about her to a boy, but he seems to exhibit a personality characteristic common among anime high school boys... Later, Mobuko and her sisters join in the fun when the Tesaguri Club deconstructs bo...

What is the connection between student council and the Tesaguri Club? Why is Koharu nervous about how other students view the club? And after another meeting of coming up with twists on existing clubs, what causes Yua to crack?

While bringing garbage out back behind the gym for the first time, Koharun learns an "unwritten rule", something that must always be done there. Later, Yua and Hiina indulge Aoi when she deems it unfair that "eyes" are so much cooler than the "mouth" w...

It's March and even though they thought their peaceful days would never end, graduation season has come to the Tesaguri Club, too. Aoi and Koharu celebrate Yua and Hina's graduation. As they clean up the clubroom together, memorable items pop up. And a...

When the girls tackle the drama club, dramatic chaos appropriately erupts, from Hiina tackling the "u" word to Yua bringing up two "dangerous" ideas! Later, Koharun becomes more embarrassed than ever as the club puts on a play based on... the club's sk...

After the school changes to summer uniforms, Koharun notices a certain characteristic of Hiina's chest. This leads to the revelation of an astonishing hidden "secret" of the uniforms. After school, they meet at the club to riff on and then come up with...

You can't have a school anime without a school festival, and Koharun is enjoying her first, but it seems something fishy is going on with all the maid cafes there. Afterwards, the theme is a "new tennis club" and somehow Yua brings worn-out panties int...