The Shinigami sons.

Kakashi Hatake is the son of Sakumo Hatake and Kanta Uchiha Hatake. Kakashi is a prodigy since he graduated the Shinobi academy when he was 5, 6 Chunin, 12 Jounin, 13 Anbu. Kakashi met this girl in the Anbu and fell in love, love at first sight as they call it. Kakashi and the girl got secretly married and kept their last names but on papers, his wife had the Hatake name. The two conceived twins, 2 boys.

Toshiro Hitsugaya is the sister of Momo Hinamori. Toshiro is a child prodigy since she graduated the Shin'o academy in a year. Before becoming a captain, Toshiro had to check out the elemental world for a few years. She didn't expect to fall in love with a boy. She married him but kept her last name as 'Hitsugaya' though on papers, Hatake. When she found out she was pregnant with twins, she was excited and happy. She had gotten a message to return and she sadly did.

Hoshiro Hatake son of Kakashi Hatake and Toshiro Hatake. Hoshiro is known as a prodigy like his parents because he graduated at 10. He decided to take the Chunin exams when his brother took them. Hoshiro has Kakashi's attitude but has Toshiro's looks. He was upset when his mother had to leave him and his twin.

Naruto Hatake son of Kakashi Hatake and Toshiro Hatake. Naruto isn't known as a prodigy unlike his parents and brother since he graduated from the academy at 12. He was glad that his twin took the Chunin exams at the same time when he took them. Naruto has Toshiro's attitude and her looks. He was heartbroken when his mother left.

Now it's 7 years later and Toshiro now returns to the elemental world with some Shinigami because Hollows are appearing. What will Toshiro do when she sees her two sons? How will the other Shinigami react when they find out that Toshiro is married and is a mother?