I Was Reborn in a Different World and Had a Strong Sister

"With ten years of life, give me an SSR!" Boom~ Congratulations to the host for successfully sacrificing his lifespan! Reward died on the spot! It clicked very quickly. The above is purely fictitious. If there are any similarities, there are two SSRs. Introduction: I was reborn and changed gender... Where is this? Why do I still have such a powerful sister? … "Sister! Sister! Why are you so powerful? Isn't this magic something only demons can use?" "My dear sister, why do you have so many questions?" Ps: I am even more lazy... Lazy... Lazy... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.