The year is 2160 they are both old but full of energy, they have had 800 kids, single handedly fixed Japan's declining birthrate, not by fixing the economy, or changing domestic policies, but by sheer breeding, and most of the population share their genes, effectively creating a new ethnicity known as the roomates
When asked about what they think about each other this is what they say
But it is ok, they are working hard towards the future
Despite all whenever they look at each other they blush with a reserved and meek behavior, Touko never hit menopause, and is now on her 669th pregnancy, dodecatuples, again, the power of their love is suspected to keep them immortal
As the de-facto new royalty of the country, everyone must hear a broadcast of their nightly mating ritual, as they recite their vows to each other "I hope we can become good friends after this batch", "yes give it to me harder my very close acquaintance!", "Oh i can feel them kicking, we will get new roommates!"