Grand Blue Dreaming Season 1 follows Iori Kitahara as he begins his college life near the ocean and joins a diving club full of hilarious and unpredictable members. While he hopes for a normal student life, he quickly gets pulled into wild parties, crazy adventures, and unforgettable friendships. Packed with over-the-top comedy, fun characters, and moments of genuine bonding, this anime delivers a perfect mix of humor and slice-of-life storytelling.