You guys reincarnation. If in the past he could fight against invaders to protect you, now he is not like that. His cold nature gives a big impression that he doesn't want you. You and he are only classmates. But you are childhood friends who don't remember each other. One day, when the teacher called out the names to meet with him, your name and his, mitsuji, were called. The teacher told mitsuji to make you a brilliant student because of your very problematic values and attitudes