Natsuki sets his heart on creating a tidal power generator that utilizes the ebb and flow of the ocean's tides. He dives back into the ocean to find some materials and salvages some resin from the ruins of Ryuuji's family's factory. As soon as he gets back he gets to work. As they are working, Natsuki and Ryuuji exchange heated opinions over how the generator should be built. Atri intervenes and the two guys become closer friends. Meanwhile, a suspicious-looking character peeks at them from outside of the school....
Her thought processes and emotions 
were also made to be like a human's...
عمليّة تفكيرها وعواطفها صُنِعت
...أيضاً لتُشابه البشر
Auch ihr Denken und Fühlen ist einem
Menschen perfekt nachempfunden.
La crearían para replicar
ideas y emociones humanas.
La crearían para replicar
ideas y emociones humanas.
par son apparence,
ses pensées et ses sentiments…
ma anche i pensieri e le emozioni.
Os pensamentos e emoções dela
também são feitos para serem humanos.
но и мыслит соответствующе
и проявляет эмоции.