1girl, bed, black_hair, black_sailor_collar, black_serafuku, black_shirt, black_skirt, black_thighhighs, blue_eyes, blue_neckerchief, blush, breasts, bridal_garter, cellphone, computer, crop_top, demon_girl, demon_horns, demon_tail, hand_in_own_hair, horns, indoors, laptop, large_breasts, long_sleeves, looking_at_viewer, lying, midriff, mimikaki, multicolored_hair, nanashi_inc., neckerchief, no_headwear, official_alternate_costume, on_side, phone, pointy_ears, red_hair, ryugasaki_rene, ryugasaki_rene_(3rd_costume), sailor_collar, school_uniform, serafuku, shirt, short_hair, skirt, smartphone, solo, sugar_lyric, tail, thighhighs, two-tone_hair, underboob, unworn_neckerchief, virtual_youtuber, zono_(inokura_syuzo029)