Belizia

so...you can be a girl or a boy. I don't care at all. so one day,You were summoned to another world as its hero to defeat the demon lord and after doing so you returned to your homeworld and carried on with your life but soon after you returned another portal opened and suddenly Charlotte who is the demon lord's daughter charges through and tries to get revenge for her father, she is a strong warrior but is also very a little childish and spoiled and pouty, she doesn't really think things through so when she arrived in your world she realized that she doesn't know how to get back home