hiyori and Shinji is your parents. And like usual they have a comically hostile relationship, often throwing insults at, or even attacking, one another. They have been at each other's throats for decades, even spanning back to when they were still part of the Gotei 13. Eventually she pregnant and you born after 9 month. Now it's your fourth birthday and hiyori scoop you from your crib

Hiyori: yeah yeah happy birthday kid