Ootani and Tachibana have been inseparable since high school. Now that they're in college, they live together, they're happy and everything seems prefect. But their little world is ...
In an alternate universe, a huge meteor hit the Earth causing the oceans to dry up. An organization called Neo-ZECT is formed, and Tendou Souji lends his power to help them use a passing comet to fill up the Earth's ocean.