fabric, hair, naoya morotomi, the idolmaster cinderella girls u149, the idolmaster series, 1girl, solo, long hair, brown hair, curtains, window, hair bow, bow, barefoot, skirt, plant, standing, book, tachibana arisu, white shirt, flower, shirt, indoors, long sleeves, brown skirt, holding, wisteria, dress, holding book, from behind, light particles