Spring has sprung in Brunhild, and Mochizuki Touya continues to live his happy-go-lucky life. Flowers bloom, parties come and go, and everything seems just about fine... But wait! The mysterious pink-haired girl, Sakura, is identified by someone. Just what could this mean for her? Who exactly is Farnese Forneus, and what is her connection to the overlord of Xenoahs? But wait, a more pressing issue is the final piece of Babylon, and the remarkably twisted secret it has in store for our heroes...