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1girl, {{{masterpiece}}}, {{{best quality}}}, {{ultra-detailed}}, {illustration}, {{an extremely delicate and beautiful}}, Mare S. Ephemeral (Hoshizora no Memoria), 1girl, solo, long hair, very long hair, ribbon, hair ribbon, white hair, blue hair, multicolored hair, gradient hair, bow, detached sleeves, dress, game cg, night, blush, from behind, all fours, looking at viewer, forest, closed eyes, side view
wing
