The bond between brothers in general is unique and utterly irreplaceable. At times, they can be allies, accomplices, or even your worst enemy! But at the end of the day, you can’t help but love them.
The relationships between Ed and Al (from Fullmetal Alchemist), and Senjuro and Kyojuro (from Demon Slayer: Kimetsu no Yaiba) will definitely make you cry at some point. Who is your favorite duo?