I will write some worlds name you can select should it be in this crossover or for traveling.
You can give names too from fictions including Doujinshi, H, and more.
The list will be updated regularly.
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Harem in the Labyrinth of Another World
How a Realist Hero Rebuilt the Kingdom
The Eminence in Shadow
kuroinu
Release that Witch
Monster Musume
Monster Girl Doctor
Tales of Wedding Rings
Kyonyuu Fantasy
Kyonyuu Princess Saimin
Kyonyuu Elf Oyako Saimin
Youkoso! Sukebe Elf no Mori e
Ikusa Otome Valkyrie
Isekai Yarisaa
Elf no Futagohime: Willan to Arsura
I Was Reincarnated as the 7th Prince so I Can Take My Time Perfecting My Magical Ability
Reincarnated as an Aristocrat with Appraisal Skill
Trapped in a Dating Sim: The World of Otome Games is Tough for Mobs
Oujo & Onna Kishi W Do Gehin Roshutsu
Samayou Midara na Lunatics
Himekishi Lilia
Darcrows
Elfina: Yoru e to Urareta Oukoku de…
Erotic Torture Chamber
Onna Maou Melissa no H na Boukenki
Elf Hime Nina
Minerva no Kenshi
Do You Love Your Mom and Her Two-Hit Multi-Target Attacks?