The moment she transmigrated, Minato and his wife were already dead!
As Naruto's only relative, Koyo had no choice but to shoulder the responsibility of looking after him.
New book: I'm Definitely Not a Uchiha Lady
As a good-for-nothing of the Senju clan, I'm busy with these things every day.
"Big Brother, something seems wrong with my rice crop. Use Wood Release to take a look."
"Second Brother, it's been so hot lately, and the water in my rice paddies is almost gone. Go make me a Water Release jutsu."