In an unknown world, the one-winged angel Aoi was despised by everyone because of her unknown life experience and mutilated body. The only brother who accompanied her gave her hope. However, on a starless night, Aoi's dream shattered all hopes. Qi Lone, the kind-hearted devil's son, recounted the past and present life he saw in the reincarnation tower in hell under the moonlit night, thus unfolding a sad and lonely love story...