光五条_ox.癒種ヴァーミリア・ヘプト

A Reyvatologist (a doctor who specializes on Reyvateils) who runs a clinic in Eternus Shaft.
He used to work as a medical doctor at the Archia Think Tank, but when he met a shocking revelation about the organization, he quit.
It seems like Richaryosha is involved with this issue, but...

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