Seeds of Anxiety: Asterisk

Synopsis

In the beginning, this place was filled with someone's memories—sad memories. With the passage of time, those memories break down, and every so often, they creep into our everyday world as...disturbances. Why do they show themselves to us? Perhaps they seek a mouthpiece for their own despair, or something else entirely. When strangeness takes root in a place of woe, the seeds of dread begin to germinate... (Source: Yen Press)

Anime adaptations