In this scene a young girl, Yotsuba, drops in on her neighbors for some breakfast. The mother who's cooking breakfast says:
「今お父さんの焼いてるからその次ねー。ちょっと待っててー。」
So I guess she's preparing her husbands food first, and tells Yotsuba to hang on for a minute.
But why didn't she just say ちょっと待って?
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