Adult PC Game: The Demon Lord is New in Town! Final by Daijyobi Institute Archive

Van is a powerful demon lord, but he has a problem.
His power has been sealed, and he's been banished to live in the world of mortals!
Lucky for him, his devoted ally Aira is there to help him regain his strength and return to his former glory.
And who knows?
Maybe he can make some new friends along the way!
This version of the game includes the DLC.​

The Demon Lord is New in Town! Final by Daijyobi Institute Gameplay Preview