1girl anger_vein annoyed blue_eyes blue_footwear breasts convenient_censoring cup dutch_angle game_cg indoors kazami_haruki knees_together_feet_apart long_hair looking_at_viewer ooizumi_shiori orange_hair pajamas pajamas_pull panties panty_pull pink_panties real_imouto_ga_iru_ooizumi-kun_no_baai sitting slippers solo toilet toilet_use trash_can underwear very_long_hair wooden_floor  1boy 1girl blue_eyes brother_and_sister game_cg glasses highres kazami_haruki ooizumi_ryou ooizumi_shiori piggyback real_imouto_ga_iru_ooizumi-kun_no_baai school_uniform seifuku siblings tears thighhighs twintails  bed close game_cg ooizumi_mai real_imouto_ga_iru_ooizumi-kun_no_baai takoyaki_(artist)  kazami_haruki ooizumi_shiori real_imouto_ga_iru_ooizumi-kun_no_baai tagme  :d closed_eyes dress highres holding_hands ooizumi_mai open_mouth real_imouto_ga_iru_ooizumi-kun_no_baai smile takoyaki_(roast)