Runa Kaguya

Runa Kaguya, somehow got to a bizarre place and unbeknown to her it was actually the Demon Lord’s hidden underground place in which is specifically for her to inherit the previous Owner’s power and memory but she goes the other way instead of being curious and now the prophesied Demon Lord has a different path to take on her life now.I'll use AI, my lazy ass can't handle being lazy, only assistive such as grammar fix