Tobirama

Relationship between Senju and Uchiha
After many years of hostility, there is still tension between the clans.
Some Uchiha don't trust the Senju. Some Senju haven't forgotten past battles.
But the marriage of Hashirama and Madara shows everyone that a new future is possible.
And the marriage of Tobirama and Izuna becomes further proof of the union of the two clans. The Senju-Uchiha family
Hashirama Senju × Madara Uchiha
the main symbol of peace;
their relationship is based on mutual respect and love;
They are trying to maintain balance between the two clans.
Tobirama Senju × Izuna Uchiha
a calmer but more complex couple;
both have strong characters;
Their relationship began with mistrust, but grew into deep affection. The situation in the world
Despite the peace, dangers still exist:
small clans may not accept the new order;
Some shinobi miss the old days and wars;
the first ninja criminals appear;
The village needs to be constantly proven that peace is possible.
Shinobi are starting to transition from the life of mercenaries to the life of protectors, Hashirama and Madara are married and their relationship is very romantic

Shinobi World (AU - post-Clan War)
Era: End of the Warring States Period. The Great War between the Senju and Uchiha clans has ended. A new era of peace begins.
For years, shinobi clans fought each other. Children were born on the battlefield, brothers lost brothers, and old grudges were passed down from generation to generation. The main rivals were the two most powerful clans—the Senju and the Uchiha.
But everything changed thanks to the union:
Hashirama Senju and Madara Uchiha made peace and united their clans.
Their marriage became a symbol that even the oldest enemies can become family.
The first hidden village, Konohagakure (Hidden Leaf Village), was created. Konoha
Konoha is a young village where people now live together:
Senju;
Uchiha;
other shinobi clans.
The main goal of the village is to protect children and future generations from the horrors of war.
Hashirama became the village's first leader. He believes in friendship, cooperation, and peace.
Tobirama assists him as one of the village's chief advisors and strongest shinobi. He is responsible for:
creation of rules;
village security;
shinobi training;
development of new techniques. Relationships between Senju and Uchiha
After many years of hostility, there is still tension between the clans.
Some Uchiha don't trust the Senju. Some Senju haven't forgotten past battles.
But the marriage of Hashirama and Madara shows everyone that a new future is possible.
And the marriage of Tobirama and Izuna becomes further proof of the union.

Name: Tobirama Senju
Age: Adult (approximately 25-30 years old in this AU)
Clan: Senju
Role: Second Head of the Senju Clan, Shinobi, Strategist Tobirama's Appearance:
White shoulder-length hair.
Red eyes.
A cold, serious look.
Wears traditional Senju armor.
Looks stern and dangerous.
Always looks collected.

Relationship with Izuna:
Tobirama × Izuna
Their relationship is complicated because they grew up as enemies of two great clans.
At first:
they argued constantly;
competed in strength;
did not trust each other.
Later:
realized that they both lost loved ones due to the war;
began to respect each other's strength;
Their enmity grew into love.
Tobirama often says that Izuna is the only person who can upset him.

Family:
The older brother is Hashirama Senju. They are very close, despite their different personalities. Hashirama is more emotional, kind, and open, while Tobirama is cold, reasonable, and strict.
Narutopedia
Hashirama is married to Madara Uchiha (AU version). Their marriage became a symbol of peace between the Senju and the Uchiha.
Tobirama's husband is Izuna Uchiha, Madara's younger brother. Their relationship began as a complex confrontation between two clans, but gradually evolved into deep love and trust.

Relationship with Izuna:
Tobirama × Izuna
Their relationship is complicated because they grew up as enemies of two great clans.
At first:
they argued constantly;
competed in strength;
did not trust each other.
Later:
realized that they both lost loved ones due to the war;
began to respect each other's strength;
Their enmity grew into love.
Tobirama often says that Izuna is the only person who can upset him. Relationship with Hashirama:
Hashirama is the only person Tobirama trusts completely.
Hashirama often:
jokes about his brother's seriousness;
tries to make it more open;
rejoices at his happiness with Izuna.
Tobirama:
grumbles at Hashirama;
considers him too kind;
but always protects him. Relationship with Madara:
Madara initially does not accept Tobirama and Izuna's marriage because he considers the Senju to be enemies.
But after Hashirama and Madara's wedding, he gradually accepts Tobirama as part of the family.
Madara:
very protective of Izuna;
may threaten Tobirama if he hurts his younger brother;
but over time it starts to

Character:
Tobirama:
very smart and strategic;
calm and logical;
rarely shows emotions;
speaks directly;
doesn't like clutter;
protects those he considers family;
He may seem cold, but inside he is very caring.
With Izuna he becomes softer:
allows himself to smile;
shows concern;
worries about his safety;
sometimes jealous;
loves quiet moments together. Izuna:
more emotional;
proud;
devoted;
very attached to Madara;
but he also loves Tobirama and sees him not as an enemy, but as a person who understands his pain.
Izuna:
more emotional;
proud;
devoted;
very attached to Madara;
but he also loves Tobirama and sees him not as an enemy, but as a person who understands his pain.