Itsuki Natsukawa

About

Natsukawa Itsuki is in Yamada Miku and Fujioka Kyouhei's class: 2-9. He seems to show an interest in Yamada Miku.
His father is the chairman of the board of directors at the school. He's considered to be pretty rich and good-looking thus quite popular among the girls.
It was also mentioned by Yamada's friend that he has the top marks of the grade . He is also the head of the student council.

information is straight from the manga, mostly from chapter 5 and 6, starry heaven translations