In the cup at night, the stars are dotted, reflected on the silky smooth lake, the aurora streaks across the sky, the fairy light is soft, and the stars are twinkling. The blue roses on the lake float in the dim light, and the deep blue night sky reflects the light of the sky on the lake surface. The aurora shows gradient colors of green, blue, and purple. The blue roses on the lake add a sense of mystery and fantasy. Dreamy and mysterious, the blue roses on the lake and the shooting stars in the sky form the visual focus, creating a profound Sense of space. Overall, this mug depicts a dreamy night scene, with stars and auroras intertwining in the night sky and reflected on the lake.