Mika Kikuchi (DekaPink) and Yuji Kishi (Red Racer) are now divorced.

 

From DekaPink's Blog:
We appreciate the feelings of the fan about us, but we're sorry about it.
私事ですが、この度離婚致しましたことを報告させて頂きます。たくさんの
方にお祝い、応援して頂いたお気持ちを考えると本当にただただ申し訳な
い気持ちでいっぱいです
Translated:
We appreciate the feelings of the fan about us, but we're sorry about it.
Is a personal matter, we reported that this time we divorced. A lot
Congratulations on the other hand, considering that you feel really sorry absolutely thank you cheer
You have full feeling

Source: 4chan's/m/board