Which anime is Yu Hei from?

Yu Hei appears in Xingchen Bian.

What role does Yu Hei have in that anime?

In Xingchen Bian, Yu Hei is listed as a supporting character.

Yu Hei appears in several anime, including Xingchen Bian, Xingchen Bian 2nd Season, Xingchen Bian 3rd Season.

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Xiao Hei was gifted to Qin Yu as a companion when he was little by Grandpa Lian.

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In the novel, Qin Yu found Xiao Hei on Mt. Donglan and brought him along.

Xingchen Bian

Xingchen Bian 2nd Season

Xingchen Bian 3rd Season

Xingchen Bian 4th Season

Xingchen Bian 5th Season

Xingchen Bian 6th Season

Xingchen Bian: Zuizhong Ji

Muqing Ke

Mandarin