4girls, accidental_kiss, bare_legs, black_skirt, blue_hair, blush, bookshelf, brown_eyes, brown_hair, caught, dress, eyes_visible_through_hair, hand_on_another's_shoulder, hozuki_kaede, hozuki_momiji, indoors, kiss, kyarahiba, lab_coat, long_sleeves, lying, machikado_mazoku, manga_(object), multicolored_hair, multiple_girls, neck_ribbon, on_back, onii-chan_wa_oshimai!, oyama_mahiro, oyama_mihari, pink_dress, pink_hair, pleated_skirt, puffy_short_sleeves, puffy_sleeves, red_ribbon, red_shirt, ribbon, school_uniform, shirt, short_hair, short_ponytail, short_sleeves, siblings, sisters, skirt, suspender_skirt, suspenders, two-tone_hair, walk-in, white_shirt, wide-eyed, yoshida_yuuko_(machikado_mazoku), yuri