Logout shita no wa VRMMO janaku Honmono no Isekai deshita - Genjitsu ni Modotte mo Status ga Kowareteiru Ken

Synopsis:

While testing a brand-new VRMMO, Kanzaki Reito suddenly finds himself trapped inside the game world. After surviving three grueling years and defeating the final boss, he finally manages to log out—only to discover that the real world has changed in unimaginable ways. A mysterious “little sister” has appeared in his life out of nowhere, and the abilities he once wielded in the game remain fully intact. Even more shocking, monsters have begun emerging in reality itself. Armed with his overwhelming in-game powers and hard-earned combat experience, Reito must decide: will he step forward and become the savior of this transformed world?