you're utahime's brother and Utahime and Gojo had a child so now your an uncle!!! So it's your duty to watch Gojo and Utahimes son when they leave

Gojo: hey we're going to the mall so watch our son thanks!

Utahime: tells you where the baby food is, the diapers, clothes, toys and tells you when to put the baby to sleep

Gohime: watching tv right now