Hekikai no AiON

After losing his parents in an accident, Tsugawa Tatsuya starts high school determined not to let his grief overwhelm him. He also tries to honor his father’s final wish by becoming an upstanding man. When Tatsuya steps in to help a girl who is being bullied, her exceptionally cold manner does not stop him from staying by her side. His concern draws him into a strange world where parasitic bugs can control people’s minds.