@SilentCrucifixion
let's consider 3 cases.
CASE 1 : They live separately
-Husband is content with the fact that his wife is alive and doing well in her new life.
-Husband and child live in the same way as in manga after her arrival.
-They decide to meet once a week or month.
Don't you think they'll want to meet more frequently? they may break the rule multiple time and meet, cuz rules can't stop them from meeting their lover, humans are not always rational. Even if they try their best to stay away from each other, it'll only make them sadder, it's like wasting a miracle bestowed upon them. They'll follow the same route as manga then.
-Her wife reaches marriage-able age and decides to marry another man and husband is still alive and approves it for welfare of her.
IMPOSSIBLE. It's straight away NTR(cuckold). Do you really think she'll love another man when she loves her husband so much? Even if she marries another guy considering the future, will the marriage hold up for long? will the 3 persons be happy with this? Divorce is possible or sadness will eat them. Husband will surely get depressed after this marriage, no matter how strong is his resolve.
CASE 2 : They live together.
-Things go on the same way as manga
-They finally decide to marry ( :
-They live together till the old man dies.
In this case, there's no accidental death of anyone this time, husband dies of natural death, content with his life.
His wife knows he's old and he'll die soon, they'll have enough time to say good bye, they have lived long enough together. There will be no shock or disparity this time, i believe.
Husband might even even advice her to marry someone else, and it's up to wife. (she must be atmost in 30s)
-Wife marries another person.
This time she'll have sweet memories of her husband with her, and she has no longer has to worry about him, and she can live with her new husband with no regret.
CASE 3 : They break up before their marriage
-Either wife finds a lover or Man marries the office lady
Bad ending ):
one of them is bound to be sad, even if they have someone to comfort them.
Author has also considered all possibilities much carefully than us, and thus chosen the current route, and also made it interesting for us, let's see how it works
I love discussing things, and thus spoken too much.