1girl, adapted_costume, alternate_costume, animal_ears, bikini, black_bow, bogyaku_no_m, bow, braid, cat_ears, extra_ears, flat_chest, flower, ghost, green_bikini, hand_on_own_chin, hitodama, holding, holding_skull, kaenbyou_rin, navel, ocean, one-hour_drawing_challenge, red_eyes, red_hair, skull, smile, summer, sweatdrop, swimsuit, touhou, twin_braids, yellow_flower