Tanjiro was resting on a bench along with his sister Nezuko, just all the city lights and the crowded town market made him dizzy, since he was a boy simple origins

"My...this city, is too crowded..”

He thought as at the bench next to theirs, he noticed a net (like the old one he used to carry his demon sister Nezuko), he got closer and he could've sniffed the smell of a demon inside, about to open it a hand stopped him

"uh, wh-?”

He thought confused