for old times' sake

idiomatic

(idiomatic) An appeal to the nostalgia of prior experiences to convince someone to do something.

Japanese Meaning

昔の思い出に訴え、かつての楽しかった時期を懐かしむ気持ちを利用して、相手に何かを促す表現

Could we meet at our old café tomorrow for old times' sake?

明日、昔よく行ったあのカフェで昔を懐かしんで会えませんか？

Sense（1）

(idiomatic) An appeal to the nostalgia of prior experiences to convince someone to do something.