2girls, bad_pixiv_id, biting, biting_shoulder, blindfold, blood, blush, bra, breasts, brown_eyes, brown_hair, cleavage, collarbone, drooling, empty_eyes, fate/stay_night, fate_(series), femdom, hand_on_another's_head, holding_another's_wrist, long_hair, medusa_(fate), medusa_(rider)_(fate), mitsuzuri_ayako, mori_no_kuma-san, multiple_girls, open_clothes, open_mouth, open_shirt, purple_hair, saliva, school_uniform, short_hair, simple_background, sweat, tongue, underwear, white_background, yuri