Summary: In WITH Prologue our lovely teacher Sakura Yukime was enjoying her last day of Summer Vacation at the beach. There, she spots an outlandish wild man making a fool out of himself. Out of sheer 
exhaustion, Yukime falls asleep only to awake during the nighttime. Returning to her car she realizes she lost her carkeys and wallet. Then the man she thought was crazy comes to the rescue with her keys and wallet. She is impressed with his kindness. The next day she goes to school to prepare for class when a strange man sings in front of the school. Well it is the guy who found her keys and wallet. He was the replacement teacher, Tenjyo Hizuki. From then on, Yukime knew the school would never be the same...