Before, Kantarou says something like (paraphrasing, here), "It's sad when people die ... especially for those left behind."

I personally found it a little ambiguous; is he going to end the name-contract, or does he intend to seal Haruka away before he dies? WAUGH.

In my (limited!) experience, novel-parts of douj usually do connect to the comic-parts, so there may be more to it there. :O