Iori Kitahara has spent months starting college life in Izu. He boards at the diving shop Grand Blue and lives under one roof with his cute cousin Chisa Kotegawa. Older cousin Nanaka Kotegawa, the alluring Azusa Hamaoka, and classmate Aina Yoshiwara often gather there—it should have been a smooth, carefree campus life! That's only the surface. Most of college is wild chaos with a bunch of naked guys. Iori joined the diving club Peek a Boo, where diving is a side hustle and the burly members drink, party, and go fully nude daily. Handsome hardcore otaku Kohei Imamura and Iori have fully embraced it. Then Nanaka asks Iori for help: diving shop Dolphin is opening a branch in Palau and is badly short-staffed. But Iori recalls Kohei saying he won't go abroad because he can't keep up with anime in real time. This summer, their first trip overseas to Palau kicks off a brand-new hilarious Grand Blue life.
Iori Kitahara has spent months starting college life in Izu. He boards at the diving shop Grand Blue and lives under one roof with his cute cousin Chisa Kotegawa. Older cousin Nanaka Kotegawa, the alluring Azusa Hamaoka, and classmate Aina Yoshiwara often gather there—it should have been a smooth, carefree campus life! That's only the surface. Most of college is wild chaos with a bunch of naked guys. Iori joined the diving club Peek a Boo, where diving is a side hustle and the burly members drink, party, and go fully nude daily. Handsome hardcore otaku Kohei Imamura and Iori have fully embraced it. Then Nanaka asks Iori for help: diving shop Dolphin is opening a branch in Palau and is badly short-staffed. But Iori recalls Kohei saying he won't go abroad because he can't keep up with anime in real time. This summer, their first trip overseas to Palau kicks off a brand-new hilarious Grand Blue life.
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