Dictionary / Vocabulary / 一宿一飯
いっしゅくいっぱん
(being beholden to someone for a favor of) a night's lodging and a meal
彼からの思いがけないプレゼントが届いたよ。少々は一宿一飯の恩義でも感じてくれたのかな。
We got an unexpected present from him. I guess he felt a little obligated after what we did for him.