Simplify the following text for a Grade 8 native English-speaking person.
Original: Sola is a mixed media project , first unveiled through the prologue of the manga featured in the Japanese manga magazine Dengeki Daioh on December 21 , 2006 , published by MediaWorks .
Simplified: Sola started as a manga which was featured in the magazine Dengeki Daioh on December 21 , 2006 by MediaWorks .