Grand Blue

Iori Kitahara begins his college journey with dreams of an exciting new life by the ocean in Izu city. Moving into his uncle's diving shop, "Grand Blue," he envisions a life filled with beautiful scenery, diving adventures, and new friendships. However, his ideal college experience takes an unexpected turn when he encounters the carefree members of the Diving Club, who introduce him to their world of alcohol-fueled antics and wild parties.

Despite his initial reluctance, Iori gets swept up in the chaos brought on by upperclassmen Shinji Tokita and Ryuujirou Kotobuki. His cousin, Chisa Kotegawa, catches him in compromising situations, leading to her disdain. As Iori navigates his misadventures with his eccentric new friends, he strives to balance his ideal college life with the reality of diving, laughter, and unexpected camaraderie.