1girl :d alternate_costume belt blue_eyes blue_hair blush capelet cowboy_shot crop_top from_behind fur-trimmed_capelet fur-trimmed_skirt fur_trim hair_ornament hair_over_one_eye hat highres looking_at_viewer looking_back merry_christmas midriff open_mouth re:zero_kara_hajimeru_isekai_seikatsu red_capelet red_skirt rem_(re:zero) santa_costume santa_hat short_hair sing_(fywf4272) skirt smile snowflake_print solo thighs upper_teeth x_hair_ornament  1girl ahoge aqua_hair bare_shoulders blue_background blue_eyes blue_hair blue_neckwear blush breasts close-up eyebrows_visible_through_hair face gradient gradient_background gradient_hair green_hair hair_between_eyes happy hatsune_miku heart heart-shaped_pupils highres long_hair multicolored_hair necktie purple_hair shiny shiny_hair shirt sidelocks simple_background sing_(fywf4272) sleeveless sleeveless_shirt small_breasts smile solo symbol-shaped_pupils twintails two-tone_hair under_boob upper_body vocaloid white_background white_shirt