Xiao Xueqin, a high school student with a strong temperament of complaining, hates people who want to be complained because of his temperament of complaining. However, the one who is eyeing him is the strongest middle school student, Kabuto Hana-no-tori, whose appearance, words and deeds, aura, and even his existence are full of complaints. Qin swore that he would never complain about him, but he couldn't help it after all. Around him, some strange guys began to gather gradually... The sometimes hilarious and sometimes cute comedy story of a boy high school student is about to begin.