かー

(marks a question; the vowel is drawn out for emphasis or tone)

particle Rare #29,760
(marks a question; the vowel is drawn out for emphasis or tone) A lengthened, informal spelling of か, often used to make a question sound drawn out or emphatic.
JA: 準備はいいかー?
EN: Are you ready?

クリシー・ケイツのスキャンダルに異常に反応したとかー誰?

Who was it that reacted so strangely to Chrissy Kates’s scandal?

— ダーク・プレイス (2015)

みんな無事かー

Is everyone okay?

— もののけ姫 (1997)

何かお手伝いすることはありますかー?

Is there anything I can help you with?

— 崖の上のポニョ (2008)

いますかー?

Are you there?

— すずめの戸締まり (2022)

二郎いるかー!

Jiro! You there?!

— The Wind Rises (2013)

マジかー

No way!

— すずめの戸締まり (2022)

お元気ですかー?

How are you?

— Love Letter (1995)