takubon, rias eidreise, wilbell voll-ersleid, atelier (series), atelier resleriana, atelier resleriana: the red alchemist & the white guardian, official art, 2girls, animal ears, blue shorts, book, bow, cat ears, cat girl, grass, hat, hat bow, holding, holding book, long hair, midriff, multiple girls, on grass, orange bow, pink hair, purple eyes, red hair, shorts, sitting, tree, tree shade, unworn hat, unworn headwear, witch hat