Sai Nanami (七なな海み SAIサイ Nanami Sai) is the son of the owner of Nanami Conglomerate and the older brother of Ryusui Nanami. He is a mathematical prodigy and is said to be "a million times" better than the average person.[5]
Fictional Characters Sorted by Countries & Nationalities
Categorize characters from their native homelands, as well as their heritages (ethnic backgrounds). Those from the comics, video games, cartoons & animes/mangas.
