Remilia Scarlet and Muffet from Touhou and Undertale HD Wallpaper

Two anime characters are sitting on a couch, having tea and pastries. The character on the left has blue hair and is wearing a pink dress and hat, holding a donut. The character on the right has black hair and is a spider-like creature wearing a red dress, holding a slice of cake and a teapot. Bats and spiderwebs are visible in the black background.