Grand Blue Dreaming Vol. 2 (manga)

Despite being unable to swim to save his life, Iori decides to join the diving club. At the drinking parties, the young rookie is practically a god incarnate, but in the water, not so much … Meanwhile a carefree, sexy older girl shows up, and the crew prepares for the hijinks-filled school festival. A new world awaits, and there’s a first time for everything!