How Not To Summon A Demon Lord Vol 9

How NOT to Summon a Demon Lord by Yukiya Murasaki. A Fantasy manga rated Older Teen, published in English by Seven Seas.

Takuma, an antisocial gamer famous for playing a demon lord in an MMORPG, is summoned to another world in the body of his overpowered character. Now he has to keep up the menacing act, even though he has no idea how to actually talk to people. A fan-service-heavy isekai comedy.