Complex sentence: Surely enough, Alice appears and joins Shinobu and her friends Aya Komichi and Yoko Inokuma at her school, soon followed by Alice's friend from England, Karen Kujo.
Split into simpler sentences: Surely enough, Alice appears and joins Shinobu and her friends Aya Komichi and Yoko Inokuma at her school. She is soon followed by Alice's friend from England, Karen Kujo.