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....
-When it comes down to it, I can be--
-Atri.
--عند الشّدائد، يمكنني أن-
أتري-
Und wenn ich mir einmal
was vornehme, dann …!
-Puedo con…
-Atri.
-Puedo con…
-Atri.
– Personne ne peut me…
– Atri.
Se voglio, sono più brava di...
— Quando a situação pede, eu posso ser m—
— Atri.
Со мной никто не сравнится…