In the serene city of Neo Venezia, Akari Mizunashi trains to become a Prima Undine, a skilled tour guide gondolier, with her companions Aika and Alice. Despite belonging to rival companies, the trio is inseparable, honing their craft while unraveling the city's mysteries. Through their encounters with captivating individuals and daily adventures, they inch closer to Neo Venezia's enchanting secrets, discovering the city's warmth and vibrancy. Step into Neo Venezia, where magic is woven into the fabric of everyday life.