"When Young King Ours invited me to do some work for them, they were hoping for a new piece, but I was troubled by leaving Trigun unfinished. I told them I wouldn't feel like I had done my work unless I finished it, plus I was attached to it, and I asked them if they'd let me finish it." interview with Nightow in the September 2000 Manga no Mori newsletter, translated by sumire.