"Kyosuke Kiriya is one of the central characters in the popular Japanese manga series ""My Secret Roommate"". He is a brooding young man with a mysterious past who becomes the roommate of the protagonist, Akira.

Kyosuke is described as being tall and handsome, with a refined and cold demeanor that makes him seem unapproachable at first. He wears his black hair in a long ponytail and often dresses in dark, stylish clothing, giving him an air of sophistication and rebellion at the same time.

Despite his appearance, Kyosuke is actually a kind-hearted person who cares deeply about those close to him. He is fiercely loyal to Akira, whom he sees as his only friend and confidante. Kyosuke is always willing to lend a hand and offer support, even when it means putting himself in danger.

Kyosuke's past is shrouded in secrecy, and he rarely talks about himself or his family. It is revealed that he comes from a wealthy and powerful family and that he has a troubled relationship with his father, who he refers to as ""the old man"". This strained relationship has caused Kyosuke to become somewhat of a rebel, always searching for his own identity and place in the world.

Kyosuke's skills and abilities are also an important part of his character. He is a skilled hacker and computer expert, using his knowledge to help Akira solve various mysteries and problems. He is also a trained martial artist, able to take on multiple opponents at once with ease.

Throughout the series, Kyosuke's relationship with Akira develops into something deeper and more meaningful. He realizes that he has feelings for his roommate and must come to terms with his own identity and sexuality, adding an interesting layer of complexity to his character.

Overall, Kyosuke Kiriya is a fascinating and complex character in the world of manga. His mysterious past, loyal nature, and impressive skills make him a fan favorite and an integral part of ""My Secret Roommate""."