Library

[Delusional student union + young pig-headed boy + five equal parts + we can't study together + passerby heroine + some characters of the famous detective + dragon maid + your name (may be added later)] [Due to setting reasons (actually the author is lazy) (cross out) everyone in the work They all went to the same high school] Wang Peng looked at the student union epaulette on his shoulder and expressed that he was very panicked. Looking at it at home, his heart suddenly twitched, and the next second he appeared in this world. Both his parents were dead, and he had no sister to own a house. Only then did he realize that he had traveled through time.