3girls 4koma blush comic commentary_request covering covering_crotch glasses greyscale idolmaster idolmaster_cinderella_girls jougasaki_mika jougasaki_rika long_hair maekawa_miku monochrome multiple_girls no_panties open_mouth panties panties_removed serebi_ryousangata short_hair shouting siblings side-tie_panties sidelocks sisters smile sweater_vest tears tied_sweater translated two_side_up underwear wardrobe_malfunction