I mean he said the worst GUY is Yotsuba
And I don't think it's a translation error; Yotsuba is the """"*family name""",
Not literally family name, but the pattern of their names starts from the 4 leaves downwards
Kazuha (1): the mother.
¿Futaba? (2): ¿¿??
Mitsuha (3): the brother.
Yotsuha (4): the fmc
Yotsuba (4): the "worst guy"
There's something we're still missing here, and it's Futaba. And the fact that there are two "4"
- First, what name is similar to Futaba?, the name of the hacker friend Fuu-chan whose full name we don't know for some reason. But according to what I read somewhere, her real name is, Futatsugi, which means "two trees". Interestingly, it doesn't deviate from the pattern of numbers.
- There is a male Yotsuba who has a high chance of being the father of the family.
What if Yotsuba is the father of both Fuu and Yotsuha? How? First of all, to understand this, we must understand that this family is mentally unstable. Let me explain.
- First we have the original family, Kazuha and Yotsuba, who have a son, Mitsuha.
- Her father was unfaithful and had a daughter with another woman. Then named her Futatsugi, following a numerical pattern, It's an obsession he has, but he doesn't use Futaba so as not to be discovered.
- At the same time, Kazuha and Yotsuba were already going to have a daughter, (Yotsuha), whom they originally planned to name Futaba.
- Kazuha discovered the infidelity, and in her spite, she decided to make the father, Yotsuba, commit suicide. She names her daughter Yotsuha out of obsession, as a memento of the father before "killing" him.
- Then Kazuha abandons Yotsuha and constantly uses her to destroy Yotsuba, somehow succeeding.
- I think it's around the time her father commits suicide that Kazuha finally looks for Yotsuha. But this woman is crazy already and doesn't treat Yotsuha well because she sees Yotsuba in her.
This is where Fuu-chan comes in; somehow I imagine she finds out about the whole situation and that her father was "killed". Discovering that it was Kazuha who did it, that she named her daughter Yotsuha after Yotsuba out of obsession, and that she used her to torture the father.
- I suspect that Yotsuha doesn't fall ill from exhaustion but from an attempt at something.
- Fuu-chan planned this to torture the mother in the same way she did to the father.
- But as fate would have it, the mother dies.
The target of the torture as revenge is dead, but she had to suffer.... Wait a second, there's still a loose end: Yotsuha. Who, although due to her mother actions "stole" his father's name
- At that moment, Yotsuha becomes the target of torture.
Why Yotsuba is said to be a bad guy?, because Fuu-chan is using her father's name to get revenge. This will cause Yotsuha to fall apart when she finds out it's her "father" doing all this, it will destroy her even more.
And where does the brother fit in? It's not his turn yet, but when Yotsuha finds out her father is "Yotsuba," she'll probably tell her brother everything, and he'll get involved, because "how is it that man not dead?". It's clear he hates his father, probably because he knows about the infidelity. And so the brother will fall in the trap too.
My theory, in short, is that Fuu-chan wants to eradicate all traces of the woman who killed her father, which includes her offspring . And then she'll commit suicide herself, she already tried once, probably after discovering what happened, she failed and decided that the best thing to do was to end the other family before ending herself again.
And where does Uichi fit in? Well, he's just collateral damage for now, but I suspect he'll stop Fuu from doing all of this and try to stop her ending herself in the end.
There's a chance the father is innocent and the mother is the crazy one who did everything, somehow forcing the father to have children with her (rape the father and then threaten to ruin his true family with the result of that """infidelity""") yeh I'm saying he already had a real family. Kazuha probably killed Fuu's mother, or Yotsuba's original wife, at some point when Fuu was too young to remember it. This would further justify Fuu's vengeance because she would no longer be justifying infidelity but seeking revenge against a woman who used her father, discarded him, and killed him, plus killing her mother and leaving Yotsuha as a sick memory of him. Ironically, it would also help explain why he ultimately committed suicide, first his wife, and then Kazuha used the children, whom he probably still considers as his own even though he didn't want them.