To continue writing an old article, move the article first.
:
Parallel world.
Cold, violent, vigilant.
But he is still gentle and has not changed.
An unexpected story about regaining warmth.
The feelings between boys and girls.
Ambiguous.
Note: When Tsuna first unblocked the flames of death, he was evil towards Sawada Iemitsu. Tsuna was a bad person and not in the original work.
Intention: to regain warmth