Kei Takishima

Kei is one of the main protagonists in the series. He is ranked 1st in the entire school which is why he has the habit of calling Hikari "Miss Second Place". He is the son of the CEO of Takishima Corporation, making him next in line for the company. He is Hikari Hanazono's undefeated rival. Kei becomes Hikari's boyfriend and they become engaged later on, making Hikari his fiancée.