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]
Sai Nanami has been suggested to play 2 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
