2girls, ahoge, biting, black_hair, blazer, blush, brown_hair, closed_eyes, ear_biting, eargasm, hair_ornament, hairclip, happy_valentine, holding_hands, hug, jacket, licking, long_hair, multiple_girls, school_uniform, short_hair, simple_background, surprised, tongue, twintails, uncommon_stimulation, valentine, yuri