Dungeon Master's Misunderstood Retreat

In this tale, the protagonist stumbles upon a portal in their apartment, transporting them to a new world. Initially drawn by curiosity, they find themselves in a cave where they rescue near-death creatures, unwittingly becoming a Dungeon Master. Striving for a quiet, secluded life, their actions start influencing the world's politics, leading to conspiracies and misunderstandings. The protagonist, unintentionally thrust into the role of a mastermind, grapples with the consequences of their impulsive actions, creating a diagonal vector in the history of the new world.