Get Mad at Me, Seriously!!.After having been ridiculed from a video clip of her being spanked by Yamato at the end of the "academy war", Kokoro Fushikawa tries to find a way to get her revenge at him, only to be ignored several times. Aggravated, she accidentally knocks over his lunch while he was eating, which was given to him by his friends, prompting him to challenge her to a duel...