1boy 1girl as109 backpack bag bangs bare_shoulders black_skirt black_thighhighs blue_hair blush brother_and_sister brown_hair chair closed_mouth commentary_request computer crime_prevention_buzzer desk flat_chest from_above green_jacket hair_ornament hairclip hand_on_own_chest hand_up highres indoors jacket keyboard_(computer) kneeling loli long_sleeves looking_at_another monitor mouse_(computer) mousepad_(object) office_chair on_chair original pink_eyes pleated_skirt randoseru red_bag sandals shirt short_hair siblings sitting skirt smile swivel_chair thighhighs track_jacket white_shirt wooden_floor