Otonashisou na Danshi no Tondemonai Himitsu wo Shitte Shimatta
おとなしそうな男子のとんでもない秘密を知ってしまった
A boy named Urui, who sits next to the narrator, is described as a mystery. His unpredictable behavior and strange remarks are said to be overwhelming. The story begins as the characters start their school life.
