Ayuha Samaru (Minami Hamabe) is a high school student. She is honest and works hard at everything, no matter what. One day, she has trouble at a gyudon restaurant due to money. A man at the restaurant, Yoshitaka Hiromitsu (Ryoma Takeuchi), helps her out. The next day, she finds that Yoshitaka Hiromitsu has come to her school as a substitute teacher for her ill homeroom teacher. Ayuha Samaru now believes that Yoshitaka Hiromitsu is her fate in love. She keeps expressing her feelings to him. --asianwiki

S.W.O.R.D. Chiku is a devastated and dangerous town with 5 gangs fighting fiercely. Before these 5 gangs, the legendary Mugen gang dominated the town. Mugen and the Amamiya Brothers (who did not submit to Mugen) clashed and Mugen disbanded, but . Written by http://asianwiki.com/High_%26_Low_The_Movie