The more Touhou passes by one's eyes, the more one is familiar with recognising it's individuals as people one knows and loves.

Doesn't happen with all genres.

Claverhouse said:

The more Touhou passes by one's eyes, the more one is familiar with recognizing it's individuals as people one knows and loves.

Doesn't happen with all genres.

That's because it is so adaptable. There are so many ways to envision the characters.

It's also one of the reason's Kancolle is so popular.