Slime Taikou to Botsuraku Reijou no Angai Shiawase na Konyaku

After her sister’s engagement to the crown prince is canceled, Lady Francette and her family suffer a sudden loss of wealth and status. Stripped of everything but her name, she relocates to the slums and supports herself by selling pastries. There, she meets Wibble, a talking slime who connects her with Gabriel, the slime duke. Despite his reserved nature, Gabriel proposes marriage, which Francette accepts. She moves to Triste, where she gradually becomes involved in the lives of its unusual residents. Over time, what began as a practical arrangement evolves into a deeper bond. The story includes frequent appearances of slime.