>Kazusa and Haruki get married
>Few years pass, marriage life gets boring
>Resentment builds up between the two
>Kazusa slowly loses respect for Haruki as a house husband
>Arguments become more pronounced
>Marriage suffers, Haruki can't handle it anymore and leaves. Kazusa is a single mother.
>This is exactly the same thing that Youko warned Kazusa about many years ago.