ContriteAnt's manga / #blackmail(4)

Kawachi is known as a delinquent but he enjoys looking out of the window at Shinozaki sempai who he is in love with. Kawachi met shinozaki in first grade when Kawachi was still a small and cute child. From that time Kawachi started to secretly stalk shinozaki. However, Kawachi accidentally saw Shinozaki's real personality and accidentally threatened him in return for his silence.