1girl, blush, breasts, cleavage, detached_collar, door, fingernails, full-face_blush, green_eyes, green_hair, hat, idolmaster, idolmaster_shiny_colors, indoors, light_smile, long_hair, looking_at_viewer, manjukannon, nail_polish, nanakusa_hazuki, own_hands_together, santa_costume, santa_hat, solo, straight_hair, underwear, very_long_hair, wrist_cuffs