あたい

I, me

a̠ t a̠ i → あた
pronoun · 1st-person informal Rare #37,046
I, me A very informal, feminine-sounding first-person pronoun; often associated with rough or dialectal speech.
JA: あたいは家にいるよ。
EN: I’m at home.

あたいのだ

It's mine.

— ハウルの動く城 (2004)

あたいんだよ

It's me.

— ハウルの動く城 (2004)

あたいはずっと此処にいるんだよ

I've been here all along.

— 君たちはどう生きるか (2023)

あたい達は見せ物じゃねえや

We ain't a sideshow!

— High and Low (1963)

Sounds similar to