Interest Stacks

Male Protagonist is transmigrated/reincarnated into an Otome Game/Bishoujo game world. Includes RPG/MMORPG, Dating Simulator/Eroge, and others. Also Transmigration/Reincarnation, Based On A Game World, Villainess/Heroine, Love Interests, Mob Character tag.

(PART 2) https://myanimelist.net/stacks/55153

Additional List:
Female Protagonist falls into an Otome Game/Eroge/Game world
https://myanimelist.net/stacks/37528
Multiple characters thrown to another world for isekai/fantasy
https://myanimelist.net/stacks/37924
Protagonist was thrown into a Novel/Book world
https://myanimelist.net/stacks/37920

Story in a playable Game World from the real world (login/logout)
https://myanimelist.net/stacks/46325