How Not to Summon a Demon Lord Ω

Takuma Sakamoto, a reclusive gamer, finds himself transported into the world of Cross Reverie, his favorite MMORPG, as the Demon Lord Diablo. There, two girls, Rem and Shera, attempt to bind him as their servant with magic, but their spell backfires, and they inadvertently become his servants instead, wearing magic collars. Takuma, struggling with social anxiety, decides to emulate his in-game persona to navigate the unfamiliar environment, leveraging his high stats and knowledge of the game's lore to aid Rem and Shera in their quest to remove their collars and address their personal issues.