2girls, ;q, all_fours, aqua_hair, arms_up, bangs, bdsm, bed_sheet, blue_neckwear, blue_shirt, blush, bondage, bound, cat, cuffs, dress, green_eyes, hanasakigawa_school_uniform, handcuffs, hat, heart, heart-shaped_pupils, holding, incest, large_syringe, long_hair, looking_at_another, lying, multiple_girls, neckerchief, nurse, nurse_cap, on_back, one_eye_closed, oversized_object, pink_dress, school_uniform, serafuku, shirt, short_hair, short_sleeves, siblings, side_braids, sisters, skirt, sweat, symbol-shaped_pupils, syringe, tongue, tongue_out, twincest, twins, white_skirt, yuri