As of this writing, the have been acquired by HIDIVE for North America and Muse Asia for Southeast Asia. The "Exclusive" tag refers to a Director's Cut version available only on these platforms for the first 72 hours after release. This cut includes:
We’ve seen the "Isekai" trope a million times: average gamer gets hit by the inevitable Truck-kun, wakes up in a fantasy world, and becomes a hero. But Isekai Maou (How Not to Summon a Demon Lord) asks a different question: What if you woke up as the final boss? And what if, instead of being a cool, calculating genius, you were actually a socially awkward shut-in using your RP character as a emotional suit of armor? isekai maou no ecuripsu episode 1 exclusive