1boy bangs blue_eyes blue_hair blush christmas_lights clenched_hands clothes_lift fur-trimmed_headwear hair_between_eyes hands_up hat hiyori_sou jacket kimi_ga_shine layered_sleeves long_sleeves looking_down male_focus midriff navel pom_pom_(clothes) purple_jacket red_headwear red_scarf santa_hat scarf shirt shirt_lift short_hair solo sweat uououoon upper_body wavy_mouth white_background yellow_shirt