score_9, score_8_up, score_7_up, score_6_up, score_5_up, score_4_up, mariart, by mariart, dungeon background, interior, solo, furry, anthro, male, Undertale monster, Asriel, white body, white tail, white head tuft, small head tuft, white horns, white ears, dark red eyes, soft eyes, warm smile, walking, slim curvy body, wide hips, thick thighs, big butt, green and yellow striped shirt, black pants, looking around, front view, low angle view