帰ってくるの

come back?

→ 帰る
phrase Rare #29,135
come back? の makes this a casual question, often asking when someone will return.
JA: お父さんは何時に帰ってくるの?
EN: What time is Dad coming back?

あの子はいつ帰ってくるの?

When is that kid coming back?

今日の夜帰ってくるの?

Are you coming home tonight?

帰ってくるの?

Are you coming back?

— 万引き家族 (2018)

春がまた帰ってくるの?

Is spring coming back again?

— かぐや姫の物語 (2013)

何時に帰ってくるの。

What time will you be back?

いつボストンに帰ってくるの?

When are you coming back to Boston?

いつ帰ってくるの?

When are you coming back?