That Couple Has a Secret

The newlyweds who love each other the most in the world Serin and Sowon, have a secret that they cannot tell each other. The wife, Sowon, is the guardian of the kingdom of light, "Cryptic Rose", the husband, Serin, is the prince of the dark kingdom, "Avalanch". They became a married couple without knowing the other side of each other, and today they start a marriage fight? who risked their lives for love.

From Toomics:
Tina and Simon are a happily married couple.
But... will they still be happy until they find out about each other's secrets?

Original Webtoon:
KakaoPage, Toomics

Official Translations:
-English: Toomics, Lalatoon