Stories after Embodiment of Scarlet Devil... ...involve flying up to above the clouds and lots of stuff involving a tree...

...flying into outer space...

...battling a self-described god...

going underground... Those are all truly long-volume epic adventures. All the descriptions of Touhou games in this panel double as descriptions for several Doraemon long-volume manga.

So, in the end...

...what relation are you to Vlad Țepeș? i.e., Vlad the Impaler.

Remilia

Remilia-sama, in that case, we should move to the deep sea, which hasn't been a stage setting yet. We can call our place the "Vampire Crag Castle". Our preparation will be like this. Another reference to a Doraemon long-volume manga, Doraemon: Nobita's Monstrous Underwater Castle.

Gensoukyou doesn't have a sea. ... And you're a vampire, right?

When...when did my star become a starfish?

Meiling...

But, having said all that, you guys are actually on the more blessed side, aren't you? You show up all over the place...

Even for the fighting games, currently Embodiment of Scarlet Devil has the most number of participants over the whole series.

...go plunge into Poseidon in your last moments, change into a robot body... ...and become one of the screws that support Scarlet Devil Mansion. Still referencing Doraemon: Nobita's Monstrous Underwater Castle.