Story in a playable Game World from the real world (login/logout) (PART 1)

Story that has characters play in a Game World, but also log in/log out as they live in the real world. Also Virtual Reality/VR, MMORPG/VRMMORPG, MMO/VRMMO.

(PART 2) here

Isekai-Fantasy/Dungeons dragged into the Modern World
here
Story with Livestreaming elements
here

Protagonist falls into an Otome Game/Eroge/Game world
here (Female Protagonist)
here (Male Protagonist)