[ She sighs. Oh, puns based on whatever numbers these are. This is the first time she's ever encountered this but she already finds it irritating. But, she can't snap at someone as young as Yotsuba. ]

No, Yotsuba. My parents aren't named after numbers. I'm not named after numbers, either. My name means heavenly heaven. [ or that's what filler kanji says anyways. ]