ririiswaifu

Emma, Norman, Ray, and many other "siblings" live at an isolated orphanage cut off from the outside world. They live a charmed life surrounded by friends and watched over by Mama, their caretaker, until they leave the house for a foster family by the age of twelve.

Twelve-year-old Kouyama Mitsuki was devastated when she was diagnosed with a malignant tumor of the throat. She had made a promise to the boy she loves that she would one day become a singer, but her illness made singing impossible.

Bloodthirsty demons lurk in the woods, and nobody dares to venture out at night, save for the demon slayer of legend. Surviving in this harsh world, young Tanjirou takes it upon himself to protect his family–until the day that everything is taken from him in a vicious slaughter.