is a Japanese anime series created by Satoru Ozawa and Umanosuke Iida. The series was produced by Bandai Visual and animated by Telecom Animation Film. Background Tide-Line Blue is set after an environmental disaster later called the "Hammer of Eden" has submerged 90% of the Earth under water and taken six billion lives. The series begins fourteen years after that event with the new and remaining countries being brought together under the New United Nations. However, Gould, a renegade submarine captain wishes to use military force to create peace in the new world order, while Aoi, the secretary-general of the New UN, wishes to use diplomacy, and a boy named Keel finds himself caught up in the middle of it all. Availability Tide-Line Blue is published on DVD by Bandai Entertainment and dubbed into English by Blue Water Studios. Characters A carefree 14-year-old boy living in the city of Yabitsu. He was orphaned at an early age and was taken in by New United Nations Secretary-General Aoi. He has feelings for Isla, but is unable to express them to her. Despite his happy-go-lucky attitude, he took care of Isle in the aftermath of the attack on Yabitsu and ended up boarding the Ulysses in order to obtain treatment for Isla. A 14-year-old boy and twin brother of Keel, who serves as a lieutenant on the Ulysses. He was brought up as a soldier after Gould rescued him as a child. He was chosen to convey Gould's declaration of war to the new UN. The twins were temporarily reunited in the confusion after the attack, when Tean delivered Isla's baby. He advised Keel to leave Yabitsu and gave him an insignia to identify him should he wish to leave Yabitsu on the Ulysses. He was captured by new UN forces before he could return to the Ulysses. A 16-year-old jewelry crafter who makes her living by selling her handmade silver trinkets to sailors who stop in Yabitsu. She is single mother who became pregnant at a young age. A strong and lively girl, she doesn't let the situation get her down, no matter how bad it may seem. She becomes a very popular person on board the Ulysses in part because she is always willing to undertake any chores that need doing. An ostrich, able to understand human speech, to whom Keel and Teen have become emotionally attached. Aoi and Eyebrows