2boys, animal_ears, arm_up, armpits, black_gloves, black_pants, blush, brown_eyes, brown_hair, eiden_(nu_carnival), elbow_gloves, gloves, hair_between_eyes, looking_at_viewer, male_focus, multicolored_hair, multiple_boys, nu_carnival, pants, rabbit_ears, red_eyes, red_hair, simple_background, sonomi, striped, striped_background, toned, toned_male, twitter_username, yakumo_(nu_carnival), yaoi