1boy 2girls 4koma :d alternate_hairstyle bad_id bad_pixiv_id barefoot blush brother_and_sister casual cellphone comic eighth_note greyscale hair_down highres holding holding_phone kuroki_tomoki kuroki_tomoko legs_up long_hair lying meka_wakame monochrome multiple_girls musical_note nemoto_hina on_bed on_stomach open_mouth phone rectangular_mouth shirt siblings smartphone smile sweatdrop t-shirt talking_on_phone the_pose translated watashi_ga_motenai_no_wa_dou_kangaetemo_omaera_ga_warui!