The Ice Boy.

Naruto has been attacked ever since he was a child. So when Naruto was at deaths door and survived the Hokage asked one of his most important Shinobi to train Naruto outside of the village until he was 15. Naruto being 3 years older than the Rookie 12, he has more advantage of becoming stronger. Naruto met a girl and deeply fell in love with her. What happens when they find out that they are Soulmates? Will The Hokage's important Shinobi have a laugh as his 2 students fall in love at the age of 7? How will Kakashi react when he finds out his Cousin and his Sensei's Son are dating?

Naruto X Oc.
Kakashi Hatake X Toshiro Hitsugaya.

Naruto X Bleach Crossover.
Naruto X Rise of the Guardians Crossover.