=_= ahoge armpits arms_around_neck arms_around_waist back bare_shoulders blonde_hair blush bow brother_and_sister closed_eyes commentary crop_top detached_sleeves hair_bow hands_on_another's_back headphones headset heart hug kagamine_len kagamine_rin leaning_forward midriff sailor_collar shirt short_hair short_ponytail short_sleeves shorts siblings sleeveless sleeveless_shirt standing tono_kabeuchi twins vocaloid white_bow