Why Obanai Iguro has a snake on his neck

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Who is obanai igaru?

HE IS A DEMON SLAYER also known as serpent hashira.

History

The first boy born in his family after 370 years...

He was born with partial blindness because of this the snake demon took interest in him...

When he turned 12 years old, a snake demon cut Obanai's mouth to make him look like him...

Shinjuro Rengoku saved obanai and killed the snake demon without even a scar on his body.

kaburamaru his pet snake, has the ability to detect every move and movement of his opponents...

They are connected to each other and serves as his eye.

oBANAI IS,

the only Demon Slayer in the anime who carries a snake around his neck almost all the time..

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