Black Flower Vase Doujinshi referred to the original science fiction or fantasy novels that added some cheerful elements to make it more relaxing and enjoyable. These works often used humorous language, absurd plots, and some unique settings to attract the attention of the readers. There were many fanfiction works with a black flower vase's evil side, such as Black Vase's Journey to the Other World, Black Vase and the Demon's Kiss, Black Vase's Evil God Descent, and so on. The protagonists of these works were usually characters with the name Black Vase. When faced with various challenges and difficulties, they often used their unique abilities to solve problems while adding some joyful elements to make the whole novel more interesting. Black Flower Vase's fanfiction was an interesting literary form that allowed readers to have a relaxing and enjoyable experience while reading.