2girls, animal_ears, blonde_hair, blue_hair, breasts, closed_mouth, crossed_legs, dark_blue_hair, dated, fox_ears, fox_girl, fox_tail, geta, hair_between_eyes, hand_on_another's_shoulder, hand_up, hat, holding, holding_test_tube, iizunamaru_megumu, kneehighs, kudamaki_tsukasa, large_breasts, legs_on_another's_lap, long_hair, medium_hair, multiple_girls, pointy_ears, pom_pom_(clothes), proton, red_eyes, short_hair, simple_background, smoke, socks, tail, tengu-geta, test_tube, tokin_hat, touhou, traditional_media, white_background, white_romper, yellow_eyes, yuri