1girl, 2021, ;d, blue_pants, breasts, brown_hair, collarbone, hair_between_eyes, happy_new_year, ikari_manatsu, index_finger_raised, kamihira_mao, large_breasts, looking_at_viewer, new_year, one_eye_closed, original, pants, purple_eyes, red_sweater, ribbed_sweater, short_hair, smile, solo, sparkle_background, sweater, twitter_username, upper_body, v