1girl ahoge armillary_sphere artist_name beret black_footwear black_shirt black_thighhighs blonde_hair blue_bow blue_bowtie blue_eyes blue_skirt book book_stack bookshelf boots bow bowtie braid brooch calligraphy_brush candelabra candlestand center_frills commentary crescent derivative_work double_bun dress_shirt earrings flask frills fukahire_(ruinon) grey_shorts hair_bun hair_tie half-skirt hat hat_bow hat_ornament highres holding holding_brush indoors jewelry leg_up library light_particles long_sleeves memo_rakugaki original paintbrush reaching reaching_towards_viewer shirt short_shorts shorts skirt solo sparkle standing standing_on_one_leg star_(symbol) star_earrings star_hat_ornament test_tube thigh_strap thighhighs twin_braids twintails vial