Beginning of The Second

One day, a girl aged 16 suddenly passed away in the middle of the night. The cause of her death was unknown. But, her soul along with her 16 years of memories, transferred to the world of Katekyo Hitman Reborn, an anime series in her world, and was reborned as a boy.

[Cover credits to @FoxcatAI ]
[This story was posted and will be updated the same time on my other account on another fiction site]
[Sequel's up! 'Core']