The hero is Iori Kitahara, who doesn’t like water and can’t swim but is slowly guided by his friends to experience a new world called ‘under the sea’.
Grand Blue is originally a manga by Kenji Inoue and Kimitake Yoshioka and is currently being serialized in the magazine Good! Afternoon.
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Kenji Inoue, Kimitake Yoshioka
Opening: Grand Blue by Shonan no Kaze
Ending: Konpeki no al Fine by Izu no Kaze (Iori Kitahara (VA: Yuma Uchida), Kohei Imamura (VA: Ryohei Kimura), Shinji Tokida (VA: Hiroki Yasumoto) and Ryujiro Kotobuki (VA: Katsuyuki Konishi)