With only two couples, the descendants would be in trouble, so that makes sense.

There is no way to avoid using the youngest mother.

It looks really challenging even for three couples.

It seems like Lilian is popping out babies.

It couldn’t be helped because it was the most erotic.

I have to leave behind anything I can for Senku… descendants are one of those things.

Senku is not related by blood.

It feels like Lilian is approaching me.

There’s a panel where Lilian goes from calling you “Hyakuya” to “you,” and that seems to be the only hint, but it’s really hard to notice!

Lillian is a professional, so she doesn’t have children with men.

>>10

There is a distant descendant of Lilian right in front of you.

It seems that when I was 24, all of humanity was petrified, and I died at 34, so I believe I must have given birth to enough children to create a baseball team before I died.

>>12

Could it be that the cause of death is…

Lilian is really Ruri and Kohaku, but Moya has been eliminated…

>>15

Isn’t Chrome really strong?

Putting visuals aside

Without Bakuya, the Japanese population in that village is zero.

When you think about it, isn’t inbreeding pretty concerning?

>>18

They probably worked hard to increase the number of people as much as possible and then split the village’s shares.

It may be that I gave birth to a lot like a demon to ensure genetic diversity for the sake of Senku.

I’ll stop because it would be scary if we got to swapping.

>>19

But can anyone really say such things when humanity is on the brink of extinction…?

I wonder if the second generation has been swapping and making babies a lot…

If a seemingly hopeless child is born, I will harden my heart and return them to heaven.

There might have been oral traditions like that.

Ah, that’s right… The next science craft is… to make a child!

In the Stone World, I thought about creating Jebel by inbreeding the father line and the mother line to outbreed…

I hate that kind of village.

It seems that there is a usual discussion about whether restoring the population back to a scale capable of reviving civilization through three couples having children is possible, but since this is a Jump manga, let’s skip it!

Just to be safe, I’m cutting out the part about telling my son Senku the details of how his dad makes babies, as it’s too raw!

The fact that they survived for 3700 years despite an inadequacy of diversity that is beyond a bottleneck effect is remarkable.

Perhaps it was because the original genes were excellent and consisted of robust high specs.

There are over 200 Devil’s Hole pupfish too…

Hehehe… I will create a new gene!

The birth of radiation therapy…!

Ideas that seem likely to ethically apply the brakes are continuously emerging around Daiki.

Dad conveyed messages for his son through a hundred tales and spent decades collecting platinum… it’s touching, but

Dad worked really hard on making kids for his son, and also did his best on arranging the pairings to ensure diversity, but that’s a bit too touching, so let’s cut that!

Is it really possible to increase them when there’s only that many…?

>>32

If you do it, you can achieve it.

You should marry this guy.

Do you want to marry this person? It’s a no-no because the blood relations will be too close! Marry that person instead.

It seems that the founder was thoroughly managed.

It is thought that the earlier generations would have naturally separated due to their distinctly different appearances, which were clearly visible in their blood.

If you make a mistake in the breeding combination, it could be a dead end.

It doesn’t seem like it’s enough just to breed those who are distantly related.

If I don’t do it, it won’t increase, so I have no choice but to do it.

Ultimately, it’s terrible that descendants are killing each other…

>>39

Well, that’s humanity for you.

It’s not uncommon for siblings to kill each other, let alone descendants.

Why is it that Senku and I are no longer said to be blood-related?

Is it because being close to Kohaku becomes immoral?

It seems that even with a chaotic diversity of genes, there are about 50 people, so it’s probably just the fictional part.

Because they all end up being close relatives…

It’s a village mixed with Americans, Russians, Chinese, and Japanese.

It’s amazing that they were able to preserve their language and stories… There were apparently famines, and if they had messed up even a little, their culture might not have survived at all…

The village of Ishigami is itself increasing through a split from the Stone Kingdom, so it’s quite a challenging gacha.

Was it possible that they absorbed the blood of the ones who were accidentally revived with nitric acid?

>>48

Zeno and Senkuu’s unending thought + nitric acid for 3700 years, huh? There’s no one faster in thought processing than those two who can maintain awareness and be in a position to be drenched in nitric acid…

Considering the total population of Takarajima and Ishigami Village, it hasn’t increased much over 3700 years.

>>49

It seems they didn’t practice agriculture…

They say Senku has no blood relation, but he looks too similar, so there must be a blood connection.

Now that it has been revealed that Ishigami Village is a derivative of Treasure Island, it turns out there is some outrageous person who managed to sneak out Lilyan’s record, which can be considered a treasure, while attempting to escape the island by boat.

Based on the meeting with the important person who revived from petrification, it seems that in later years, there will probably be a really complicated situation involving the descendants of the petrification revival group of astronauts.

It’s unnatural that Senku and Hyuga are not blood relatives.

The flow in the story is abrupt.

I thought, can you really maintain words and knowledge through something like the Hundred Stories? But it turned out to be longer than I imagined, and if it’s packed in that much, maybe it is possible…

>>56

It seems that the shrine maidens dedicate their entire lives to preserving traditions, but it’s terrible that it almost came to an end due to pneumonia…

There is a theory that humanity decreased to fewer than 10,000 individuals about 75,000 years ago.

When I think that they were definitely not at a single-digit level, I realize how amazing the Byakuya generation is.

>>57

In other words, it’s already considered extinct at the point it reaches single digits.

It is already impossible to increase in number through breeding.

It would be outcrossed if it were 5 generations ago.

It’s preserving even the culture of “nori tsukkomi” (a type of comic duo banter)…

While other astronauts and Lillian who remained on the island died in their early thirties due to illness, Momoya living up to 82 is incredibly resilient.

Even though it’s a scientific theme, I wonder to what extent they are consciously ignoring the minimum viable population size.