Naruto disappears.

Naruto Hitsugaya is the father of Toshiro Hitsugaya, disappeared before his son became a soul reaper. People thought that Naruto died.
What happens after 50 years, Naruto shows up and helps Ichigo?
What happens happens if the soul society finds out?
Will our young captain be happy to see his father?
Or will he hate his father?
Will Naruto be sentence to death?

Warning contains swear words.