My Lovey-Dovey Wife is a Stone Cold Killer manga volume 7 features story and art by Donten Kosaka.

Setsuna's mother takes a break from the family business of murder to spend a few awkward days with our loving couple. As the year winds down, our couple tries not to make a scene at an amusement park, takes a romantic autumn stroll, and Setsuna reveals a different side of herself at the wedding of a family friend. Life and love continue in a whirlwind of leaves and offscreen assassination!