Inochi no Tabekata

Synopsis:

Otogiri Tobi, a 2nd-year middle school student, leads a gloomy life as he searches for his missing older brother with the help of his otherworldly companion, Baku. Tobi typically keeps to himself, speaking only to Baku, but everything begins to shift when his classmate, Shiratama Ryuuko, unexpectedly reaches out to him. This is a tale of adventure, where a solitary boy confronts the divide between the "human" and the "inhuman."