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 lose their wealth and status. Struggling to survive, she moves to the slums and sells homemade pastries. There, she meets Wibble, a talking slime who introduces her to Gabriel, the slime duke. Despite his reserved nature, Gabriel proposes to Francette, and she agrees. She must now adjust to life in Triste, a place filled with unusual residents. Over time, their initially practical union grows into something deeper. The story involves a significant presence of slime.