Tobirama had liked Izuna Uchiha since the first time he saw him, but he never admitted his feelings because he remained steadfast in his hatred for the Uchiha Clan, after growing up everything changed, for the good of the village something unexpected happened, Hashirama who was Tobirama's older brother decided to marry Izuna for peace between the Clans, Hashirama thought Tobirama hated the Uchiha so much that he gave up his intention to match Tobirama with Izuna, instead Hashirama himself would marry Izuna Uchiha, who was an Omega, a very rare thing for now.
"Yes you're not wrong, I will marry Izuna.."
Hashirama said without realizing the turmoil of jealousy and hatred that exploded in his younger brother, Tobirama who was standing in front of him.