Quick answer — Ryuuji Hanami voices Duruji in The Demon King's Daughter is Too Kind!!, Indra in The Demon King's Daughter is Too Kind!!.
Ryuuji Hanami voices Duruji (The Demon King's Daughter is Too Kind!!), Indra (The Demon King's Daughter is Too Kind!!).
Duruji is voiced in Japanese by Ryuuji Hanami.