Super Sonico – Super Sonico Swimsuit Santa Ver. 1/7 PVC figure by Alter
Alter is going to release the Super Sonico ( すーぱーそに子 ) Swimsuit Santa Ver. ( 水着サンタVer. ) 1/7 PVC figure from the mascot of Nitroplus event “Nitro Super Sonic”. Will be released in April 2014. Around 130mm tall, 9,200 yen.
Based on this illustration:
Official Super Sonico homepage