Webyushiro is a character from the anime demon slayer:
They have been indexed as male teen with pink eyes and green hair that is to ears length.
Webyushiro was created through tamayos unique means, so he aint depended on muzan.
However i think he might die some way anyhow, he gives me the vibe of i have no.
A demon who is devoted to tamayo.
He uses a blood demon art called eyeblind.
Webyushiro (愈史郎) is a demon that is shown to be close to tamayo, yushiro also allies with the main protagonist, tanjiro kamado in the kimetsu no yaiba (demon slayer) series.