2girls, blue_eyes, blue_sailor_collar, blue_skirt, blush, breasts, brown_eyes, brown_hair, chain, collar, curtain_grab, curtains, hand_on_another's_chest, heart-shaped_lock, high-waist_skirt, koji_(kojikojimdw), long_skirt, multiple_girls, original, parted_lips, pleated_skirt, ribbon, sailor_collar, school_uniform, serafuku, shirt, skirt, suspender_skirt, suspenders, tears, underbust, white_shirt, window, yellow_ribbon, yuri