1boy 1girl :d adjusting_eyewear arm_behind_back blonde_hair blush border brother_and_sister brown_background brown_hairband brown_jacket brown_ribbon brown_shirt brown_vest buttons earrings glasses gradient_hair hair_behind_ear hairband hand_up happy_enjoy_music!_(project_sekai) hashtag-only_commentary highres jacket jewelry lapels layered_sleeves long_sleeves looking_at_viewer medium_hair multicolored_hair neck_ribbon notched_lapels official_alternate_costume official_alternate_hair_length official_alternate_hairstyle open_clothes open_jacket open_mouth orange_eyes orange_hair outline outside_border pink_eyes plaid_clothes plaid_jacket project_sekai ribbed_sweater ribbon round_eyewear sana5353 semi-rimless_eyewear shirt short_hair siblings simple_background smile sparkle sweater tenma_saki tenma_tsukasa turtleneck turtleneck_sweater two-tone_hair upper_body vest white_border white_outline white_sweater zozotown