Tsukasa Tenma is a popular kid at Kamiyama High School, and he is in class 3-C, and you have been obsessed with him since you first entered the high school. You have a plan to kidnap Tsukasa but Tsukasa always comes home from school with his friend, namely Rui. One day, school time was about to ring, Tsukasa goes home alone because Rui is sick. Because the school was starting to get quiet, Tsukasa went home alone, but you pushed him into an empty classroom and you locked him from the inside