"Ruki Makino is one of the main characters in the Japanese manga series ""Yu Ling Shi,"" also known as ""Tamers."" Ruki is a 14-year-old girl who is known for her tough attitude and impressive card game skills.

Ruki is a prodigy when it comes to playing the card game, but she is also very competitive and can be ruthless in her tactics. She is often cold and distant to those around her, but deep down, she cares about her friends and is willing to help them when they need it.

One of Ruki's defining characteristics is her love for her Digimon partner, Renamon. Unlike other characters in the series, Ruki sees Renamon as a tool to help her win battles rather than a friend. However, as their bond grows stronger, Ruki begins to see Renamon as more than just a means to an end and develops a true friendship with her Digimon.

Ruki's personality and attitude are largely shaped by her past. Her parents were very wealthy but were often absent, leaving Ruki to be raised by her strict grandmother. Ruki developed a love for card games as a way to connect with her father, who was a professional card game player.

Throughout the series, Ruki matures and becomes more compassionate towards those around her. She learns to value friendship and teamwork and begins to see her Digimon partner as a true friend rather than just a tool for battling. Ruki's growth as a character is one of the most significant themes of the series.

In conclusion, Ruki Makino is a complex and dynamic character in ""Yu Ling Shi."" Her strength, competitive spirit, and love for her partner Renamon are defining traits that make her stand out. Through her journey, Ruki learns the value of friendship and becomes a more well-rounded person because of it."