Koyomi Araragi and friends from Monogatari Series HD Wallpaper

A sketch of three stick-figure characters stands on a white background. The character on the left has spiky hair and wears a shirt and shorts. The character in the middle has wings and wears a dress. The character on the right wears a dark outfit and has a pointed head. Text below reads 'Kiminoshiranai Monogatari'.