So, for the people who doesn't know who is "Ruki"?
First of all he is the Vocalist in "The GazettE"
*The GazettE is a Japanese rock band of the visual kei genre and was founded on March 10, 2002.

Ruki's Profile:
Real Name: Matsumoto Takanori (松本　たかのり）
Birthdate: February 1, 1982
Bloodtype: B
Height: 162cm (5'3")
Birthplace: Kanagawa
Favorite Colors: gold, red, black, purple, silver
Favorite Animals: dogs (Chihuahua)
Favorite Season: Winter, because he says he can make lots of songs during winter.
Favorite Drink: Kirin Koiwai Apple
Favorite Person: cute, wonderful
Disliked Person: dingy and stupid
Best Subject in School: English and Japanese
Favorite Phrase: "Did you lose it? Hah?"
Perfume: Calvin Kline-One
Piercings: 5 on the right ear
Family: Parents, older brother, dog ( the late Sabu-chan ) and cat ( Mr. Squidge )
Smokes: pianissimo (he failed to quit.)
Facts: Likes shopping and renting movies. Dislikes peppers and strawberries.
He tends to sing in English and curse quite frequently.

Credit to wikipedia