what if there is another end?

100 year after tenma war Rimuru was sitting in his desk thinking about Shizue even after that much time pass he canʼt forget Shizue seeing this Ciel feel bad for her master so she offer her master to back time and save her and show her the world he made Rimuru like this and agree Then with help of Ciel he get back time where 20 years before Shizu death
and lest what happen after that in story

( donʼt forget I am just writing this for for and this is my firts wappat story also english is not my language so if there is grammar mistake sorry for that hope you like it🥰)