Where Did the Mirror Come from in My Youthful Love Story?

"Buzz~" "Ah~ Is there another monster? It's really annoying." - Nangong Kasi faced the mirror and took out a dark card box "With this, I can definitely surpass my sister!" Yukinoshita Yukino looked at the snow-white card box with the bird-shaped logo in her hand, and the curvature of the corner of her mouth showed the owner's pleasure. All in all, in short, after the protagonist died, he was ridiculed by some second-rate goddess because of the way he died. In anger, he beat the goddess violently and was involved in the turbulence of time and space. He traveled to the world of spring things to fight monsters and fall in love. Nangong Kasi: Putting aside your annoying introduction, what is my name? You are a potash! Author: Yes, I'm just making fun of you. What can you do? If you can, jump out of the book and hit me. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.