2girls age_difference aqua_bow aqua_skirt black_hair bob_cut bow breasts brown_eyes brown_hair chair crossed_legs dutch_angle hand_on_another's_shoulder indoors kissing leaning_forward lips medium_breasts medium_hair miniskirt multiple_girls original pencil_skirt pleated_skirt purple_eyes school school_uniform shirt short_sleeves sitting skirt staff_room surprised teacher teacher_and_student thighs white_shirt yellow_shirt yoyomura yuri