We have translated this article into Japanese here, 「私が言うから」ではなく、聞いてほしい：未信者と結婚してはいけない理由.
To read the original in English, visit The Gospel Coalition, https://www.thegospelcoalition.org/article/dont-take-it-from-me-reasons-you-should-not-marry-an-unbeliever/.