Grand Blue, Vol. 1 follows Iori Kitahara as he begins a new chapter of his life near the coast and becomes involved with a university diving club. Although he expects to enjoy peaceful college life and explore the underwater world, he soon finds himself surrounded by eccentric club members, outrageous challenges, and hilarious situations. Between new friendships, diving adventures, and the chaos of student life, Iori discovers that university life is far less predictable than he imagined. Known for its expressive artwork, energetic comedy, and unforgettable characters, Grand Blue is ideal for readers looking for a lively and humorous manga.