It appears that there is a oneman live for the session band Kaleidoscope, check it out:

Kaleidoscope oneman Live
『DIVA‐Kaleidoscope Special-』
Shibuya RUIDO K-2
Sunday October 10th 2010
Part 1: Open:15:30/Start:16:00
Part 2: Open:18:30/Start:19:00

Ticket Fee:
Adv: 3,300yen
Day: 3,800yen
Tickets go on sale Saturday, Sept. 4th

Members:
Vo：Kaya
Ba：Shingo (ex.Sugar)
Dr：Atsuto (ex.Sugar)

Guest Member:
Gt：Sae (ex.BABYLON)
Gt：Minamoto Iori(cocklobin)
key: Tokita Nozomi
key: ●● (Will be announced later!)
There are tickets being sold separately for part one and part two, so please be careful.
It’s been a long time since Kaleidoscope had a oneman live! The members will be awesome this time. Please look forward to more information about it!

Source: pinkblood, Atsuto’s blog

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1. Kaya’s Acoustic Session Band: Regina
2. Sugar LAST ONEMAN TOUR 【 epilogue 】
3. More Sugar News!
4. ElDorado Oneman Live
5. More on Kaya’s major debut live