Complex sentence: The story focuses on the adventures of a 5-year-old Heian-era prince with a weakness for creme caramel, his pet firefly, and a trio of young "oni".
Split into simpler sentences: The story focuses on the adventures of a 5-year-old Heian-era prince with a weakness for creme caramel. It also features his pet firefly, and a trio of young "oni".