The Miserable Wedding

Anna has a crush to John all these years.
knowing her feelings since her family and John has a friendship together they decided to arrange a marriage between each other.

her sister idol Isabelle support her too since then after they grow up there marriage has already been set.

but what if the wedding was ruined in the middle of their marriage what if John only see her as a sister and was inlove by her older sister.

what would our Anna do?