D3 Publisher sprung Onechanbara Special, an actual Onechanbara game for PSP, on us with few details. According to website Onlineplayer, Onechanbara Special is a compilation of past Onechanbara titles with locations from past works.
The character roster comes from Onechanbara: Bikini Samurai Squad. So, Aya, Saki, Anna, Misery, and Reiko are playable. Onechanbara Special supports two players over an ad-hoc connection.
Aya’s PSP debut isn’t too far off. Onechanbara Special is slated for winter 2011 in Japan.