Childhood Sweethearts Can Never Become Lovers

Childhood friends are childhood friends. Childhood friends can't become lovers. Once childhood friends become lovers, the relationship becomes unstable: they get jealous and angry more easily, and fall into a strange state of constantly alternating between high and low pressure. They can no longer look each other in the eye and joke around without holding back. When they start fooling around, it's all too easy to end up huddled together under the covers.

So childhood friends can only be childhood friends. At most, they can become spouses, but they can't be lovers. Sorry, I mean, can childhood friends just get married directly? Skip the dating part?

(A single-female-lead novel about childhood friends becoming a married couple, while skipping romance. Give it a try if that sounds interesting.)

(P.S. This is a romance novel in the style of Turnabout Courtroom, with a very strong grounding in law. That means you'll need some skill in logical reasoning, or it may be a little difficult to read. Both leads are very logical, so the early chapters may be a bit serious, but it gradually turns into a fun comedy.)