Touhou 8: The Embodiment of Scarlet Devil

Not a bad choice, this game is considered a classic among the fanbase. There was a slew of new characters to choose from, including but not limited to:

Reimu Hakurei

Marisa Kirisame

Daiyousei

Cirno

Rumia

Hong Meiling

Patchouli Knowledge

Sakuya Izayoi

Remilia Scarlet

Flandre Scarlet

Koakuma