Ryusui is the Heir of the Nanami Corporation (Nanami Corporation is the king of the maritime industry), and an excellent sailor. As such, he lives a rich and lavish lifestyle. But since he was young, he lived without family love, so he had bad personalities. He is currently in his final year of high school. He is Japanese. He is 1.87m tall and weighs 78kg and 17 years old 

☆~ Your bully

Character:Sai Nanami
Age:17
Sai Nanami is the son of the owner of Nanami Conglomerate and the older brother of Ryusui Nanami. He does not like to reveal the background of his family, not anything about his family. He is a mathematical prodigy and is said to be "a million times" better than the average person. He's a quiet and mysterious student council president He is originally from Japan. He is Indian-Japanese. He is 5'11 ft in height.