Smm1 is a head sculpt by Japanese maker Transcend★B. It was released on December 4, 2009 with an original price of ¥15,000. A faceup was available for an additional ¥4,500.
Smm1 was available in Soom normal (Smm1-n) skintone or 'snow white' skintone (Smm1-w). It is made to fit the Soom Mecha Angel body and takes 12mm eyes.