Konyaku Haki saretari sarenakattari desu ga, Fukou Reijou ni Narimashita. Zamaa shinakutemo Shiawase desu: Anthology Comic

Happy ending guaranteed! Turning into a fish (?), dying and returning to life.. Even if they become unfortunate noblewomen, these strong and charming young ladies are not one to give up easily and are always in action! (Source: Kodansha, translated)