Boku no Kokoro no Yabai Yatsu

Kyoutarou Ichikawa is a seemingly shy and reserved middle school student harboring dark fantasies of murder and mayhem. His twisted desires center around his classmate, Anna Yamada, whom he yearns to see suffer at his hands. However, as he spends more time with Anna, Kyoutarou discovers a different side to her, leading him to question his murderous intentions and develop unexpected feelings.

Despite his initial sinister fantasies, Kyoutarou finds himself drawn to Anna's innocence and unawareness of his dark thoughts. As their relationship deepens, both Kyoutarou and Anna begin to challenge their preconceived notions of each other, blurring the lines between fantasy and reality.