2girls, ai-chan's_sister_(tawawa), ai-chan_(tawawa), blue_theme, bouncing_breasts, breasts, brushing_teeth, cleavage, coffee_mug, collarbone, cup, fanged_bangs, getsuyoubi_no_tawawa, himura_kiseki, holding, holding_cup, inconvenient_breasts, large_breasts, long_hair, mirror, mug, multiple_girls, open_mouth, pajamas, popped_button, reflection, short_hair, toothbrush, yawning