ここだけの はなし
kokodakeno hanashi

Noun
Expression

1. conversation (just) between you and me; confidential talk

ここだけの はなしだけれど和夫 かずお つま妊娠 にんしんしています。
kokodakeno hanashidakeredo kazuono tsumawa ninshin shite imasu.
It's just between you and me, but Kazuo's wife is pregnant.