"Satoru is a main character in the Japanese manga ""Marriage Contract With My Sadistic CEO."" He is portrayed as a successful businessman with a sadistic personality that often leads him to treat those around him with contempt. Despite this, he is shown to have a kind and caring side to him when it comes to those who are close to him.

Satoru is first introduced as the CEO of a formidable company, and he is known for his cold and calculating nature. He is shown to be ruthless in his business dealings, and his employees are often afraid to cross him. However, behind his tough exterior lies a soft spot for his childhood friend and love interest, Miki.

As the story progresses, Satoru and Miki enter into a marriage contract to save both of their companies from bankruptcy. Through this contract, Satoru develops a romantic interest in Miki, but his sadistic tendencies continue to get in the way of their relationship. He is often shown to have a controlling nature, which leads to many conflicts with Miki.

Despite their differences, Satoru and Miki grow closer over time. Satoru begins to let go of his sadistic tendencies and learns to trust Miki, eventually falling deeply in love with her. His character develops into a more compassionate and selfless individual as he becomes more invested in his relationship with Miki.

In conclusion, Satoru is a complex character in ""Marriage Contract With My Sadistic CEO."" He is initially portrayed as a cold and calculating businessman with a sadistic personality. However, as the story progresses, he begins to show a softer side, revealing a compassionate and loving nature that he hides from the world. His character development is one of the highlights of the manga, and his relationship with Miki is a testament to his growth as a person."