2boys, animal_ears, animal_nose, arm_up, arms_up, artist_name, blue_fur, blush, closed_mouth, dated, furry, furry_male, furry_with_furry, gloves, green_eyes, half-closed_eyes, hand_up, hands_up, hedgehog, hedgehog_ears, hedgehog_tail, knuckles_the_echidna, looking_at_another, looking_down, looking_up, lying, lying_on_person, male_focus, multiple_boys, on_back, on_stomach, one_eye_closed, purple_eyes, red_footwear, red_fur, shadow, shoes, simple_background, sk_rokuro, smile, sneakers, sonic_(series), sonic_the_hedgehog, tail, white_background, white_gloves, yaoi