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I; me
「私」 has other readings with different meanings.
private affairs; personal matter
あたしが先さきに見つけみつけたの。
I found it first.
あたしのこと覚えおぼえてる?
Do you remember me?
あたしにはちょっと難しいむずかしいかもしれない。
It might be a little difficult for me.