Super Junior Japan official website just announced that K.R.Y will hold a concert on August 1st 2010 in Tokyo.

『SUPER JUNIOR-K.R.Y. SPECIAL CONCERT in JAPAN』
2010. o8. o1日（sunday）　at Tokyo international forum hall A
OPEN 17:00 / START 18:00 （予定）
performers：Yehsung, Kyuhyun, Ryeowook（SUPER JUNIOR-K.R.Y. ）
SPECIAL GUEST：Sungmin and Donghae（from SUPER JUNIOR）
Ticket price　9,800yen （tax included / with SUPER JUNIOR-K.R.Y. original light）
※if you need more than 3, you need to pay　※original lights will be given on the day of the performance
General release date (ticket sale)：2010. o7. o3(saturday) at 10:00 in ticket agencies
Planning and Production: SMENTERTAINMENT JAPAN / avex live creative
Contact: Sunrise Promotion Tokyo 0570-00-3337 (10:00 to 19:00)

Click here for details (bigger picture and a video!!): http://avexlive.jp/kry/

Source, thanks ゞilσvεjr⌒★ for the notice!
Translated by Alice @ sj-world.net ; thanks ★Dariya @ sj-world.net for the help
Take out with full and proper credits