Manly Clothes Partner

mitsuru masamune, a mild mannered high-schooler who hasn't had much of a presence since his birth one day had a roommate move in. a silver-haired, blue eyed exchange student all the way from germany, leo. they had a dignified appearance and had a cool way with their words with no room for timidity. he used to think that leo was a being far off from someone like him till he got to know about a secret of his after which their relation got a bit more special…?!