The Unknowns Saga Vol 3: Physical Cosmology

Ie and Thu got the water with the help from Sri, they both landed on earth where water is found everywhere and water for them is much greater than money. Sri told to see Noui the elf like human who knew everything but Noui was busy to help Thu and Ie so they told them where to find water. Not knowing the water contain salt they try heading home but were never told how, Sri send them back home after 24 hours but they were behind the deadline and were forced to give the salt water to the ruler of the 2th dimension. Rock was not happy about the salt water but wonder where the new found water came from, salt is not an element on the 2th dimension.

Thu and Ie escape into the 6th dimension, which Rock is at war with and had a temporary ceasefire. The President, Zoion, heard Ie and Thu story about how there is a world filled with water. Zoion sent his daughter Zixen to have that dimension ally with this one. Back to Rock's world, he used an experimental engine to travel into our world. Dark Unknown has return from his long journey in space and got a new follow to help with his world domination plan. Both enemies have yet to make contact so Sri has time to get every other Unknown and stop the war. One setback is that the usa army thinks it's an invasion from our galaxy, they call on help from ally planets which made things a whole lot worse.