gravity falls, mabel pines, dipper pines, mike inel, monochrome, low resolution, 16:9 aspect ratio, animated, animated gif, greyscale, subtitled, ..., 1boy, 3girls, assertive, blush, brother and sister, candy chiu, close-up, grenda (gravity falls), hetero, imagining, incest, kiss, lips, long hair, megane, multiple girls, round glasses, shocked eyes, siblings, slap, slap mark, surprised, surprise kiss, twincest, twins