Boku No Kokoro No Yabai Yatsu

Vol.7 Chapter 98: We Declared It
Vol.7 Chapter 97.2: Extra Chapter
Vol.7 Chapter 98.1: Twitter Extra
Vol.7 Chapter 97.2: Extra Chapter
Vol.7 Chapter 98.1: Twitter Extra
A "fearsome psycho-thriller" centering on "the dark side of adolescence." The manga centers on Kyōtarō Ichikawa, a person at the very bottom caste of his school, and who hides murderous impulse that lurks at the very bottom of his soul.