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Original run: 13 Jul 2018 – 28 Sep 2018
Country of origin: Japan
Network: MBS JP
Watched by: 2 304 of 673 201 0.34%
Total running time: 4 hours 24 minutes
Episode duration: 22 minutes
IMDB rating: 7.7 of 10 988
kinopoisk.ru rating: 7.814 of 10 2 803
MyShows rating: 4.4 of 5 1 125
Iori Kitahara is a college student living along in a coastal city who meets scuba-diving and fun-loving upperclassmen.
Among the seaside town of Izu's ocean waves and rays of shining sun, Iori Kitahara is just beginning his freshman year at Izu University. As he moves into his uncle's scuba diving shop, Grand Blue, he eagerly anticipates his dream college life, filled with beautiful girls and good friends.
But things don't exactly go according to plan. Upon entering the shop, he encounters a group of rowdy, naked upperclassmen, who immediately coerce him into participating in their alcoholic activities. Though unwilling at first, Iori quickly gives in and becomes the heart and soul of the party. Unfortunately, this earns him the scorn of his cousin, Chisa Kotegawa, who walks in at precisely the wrong time. Undeterred, Iori still vows to realize his ideal college life, but will things go according to plan this time, or will his situation take yet another dive?