Complex sentence: Sakura is a ten-year-old entering grade four when the series begins living in the fictional town of Tomoeda in Japan, Cardcaptor Sakura Volume 1, chapter 1, page 9 near Tokyo Cardcaptor Sakura Volume 12 where she attends Tomoeda Elementary School.
Split into simpler sentences: Sakura is a ten-year-old girl entering grade four when the series begins. She lives in the fictional town of Tomoeda in Japan, Cardcaptor Sakura Volume 1, chapter 1, page 9 near Tokyo Cardcaptor Sakura Volume 12 where she attends Tomoeda Elementary School.