In the beginning, man lived below the sea. However, as years passed, humans began to leave the water for the surface. Now, there is a hatred between the two "races", the sea dwellers and land dwellers. Four sea dwelling middle schoolers must transfer to a different school on the surface because theirs had shut down. Accidentally, on her way to the surface, Manaka Mukaido is picked up by a fisherman's boat which leads her to meet Tsumugu Kihara, a fellow classmate. This special encounter was witnessed by the three other sea dwellers, Hikari Sakishima, Chisaki Hiradaira, and Kaname Isaki.
|01||Between the Sea and the Land (海と大地のまんなか Umi to Daichi no Mannaka?)||October 3, 2013|
Manaka Mukaido who had her school closed down must have to study on the land. Later, having being cursed by Uroko, Manaka becomes shy before Hikari helped her with covering the cursed fish. However, accidentally the fish hit a desk and made a farting sound. Manaka then run away and lost her consciousness, there Tsumugu Kihara noticed her and brought her to his house, recovers her cracked skin. After Hikari found Manaka, he threats Tsumugu not to touch Manaka again.
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