1girl androgynous aqua_eyes bathroom blonde_hair brother_and_sister brushing_teeth calendar_(object) door half-closed_eyes hand_on_own_stomach hatsune_miku highres kagamine_len kagamine_rin makeup messy_hair midriff_peek mirror mirror_twins navel pajamas pajamas_pull poster_(object) room sawashi_(ur-sawasi) scratching shampoo shampoo_bottle short_hair short_ponytail siblings sink sleepy soap toothbrush towel twins vocaloid yellow_pajamas