The Return of the Lost Twin Sky

Introduction

In this story Tsuna and his family find themselves face to face with Tsuna's long lost twin sister Sawada Tsunami and she has sky flames like Tsuna.

But what happened to Tsunami and how come they never heard of her and why now???????

And will love bloom between a Hitman and a student soon to be a boss.

All this will be answered in "The Return of the Lost Twin Sky"