The manga Grand Blue was first serialized, marking the beginning of the series.
An anime adaptation of the Grand Blue manga was officially announced.
The Grand Blue anime television series premiered in Japan.
The Blu-ray and DVD volumes of the Grand Blue anime were released for home viewing.
Iori Kitahara arrives at Izu University and moves into his uncle's diving shop, Grand Blue, starting his college life.
Iori and his friends experience their first scuba diving session, marking the beginning of their diving adventures and bonding.
Iori officially joins the university's Peek-a-Boo diving club, which is known for its wild parties and eccentric members.
The diving club hosts a welcoming party for new members, introducing Iori to the club’s unconventional culture and camaraderie.
Iori and the club members participate in a local diving competition, testing their skills and teamwork underwater.
During summer break, Iori and his friends spend time at the beach, deepening their friendships and diving experiences.
Iori faces rivalry and comedic conflicts with Shinji Tokita, a senior club member and accomplished diver.
Kyoko, Iori's cousin and love interest, visits the diving shop, stirring romantic tension and awkward moments.
The diving club organizes a winter diving camp, challenging members to dive in colder conditions and enhancing their skills.
The club celebrates New Year's with traditional and humorous festivities at the diving shop.
