そっか
sokka

Interjection

1. oh; right; I see; OK; gotcha

Colloquial
Related to そうか
「そっか。暇 ひまなら掃除 そうじしといて」「なんだそれ。兄貴 あにきをアゴで使 つかうなよ」
"sokka. himanara sōji shitoite" "nanda sore. anikio agode tsukaunayo"
"Oh? If you're free get the cleaning done." "What's up with that? Don't order your brother around!"