Min joong and Ga hee are a campus couple and friends of Geun tae. Gentai has a crush on Jiaxi, asking her out to dinner and telling her how he feels about her. Ga hee knew his feelings, but she told him that she had fallen in love with Min joong and did not acknowledge his feelings for her. Gentai was dissatisfied with Minzhong's treatment of Jiaxi and felt sorry for her. Therefore, Genta came up with a plan to break them up by introducing a girl named Abbott to them...
以短篇小说集的形式介绍两个受欢迎的故事，《呼唤石头》和《可疑访客》。它告诉了夏牧的故事，夏牧天生就有看怪兽的能力，而强大的怪兽“班”则形成了人与怪兽之间的结合，给夏牧崭新的高中生涯带来了许多不同的遭遇。
然后，是各式各样把迷惑与决意藏于胸口，前进开拓着未来的人们。把互相重合的中世纪世界作为舞台，学生们在学园国家间的抗争正式上演了！
