I found some links in Dailymotion, Chisato appeared on Sanma´s special program (3 hours):
Watch it before they delete it ^^ You can find more links in Daily anyways
Talking about Chisato, another TV appearance was announced, the program is Corridor Labo (broadcast 03/21):
Also check Tabizukinchan´s preview:
Ameba ⇒ リンク
I found the answer of Yumeno (tsubaki factory) when Up front asked her this question:
Q: With whom would you want to go cherry blossom viewing?
Her answer was Chisato ^^ Wait until Ro kun from H!O translates it