One-Eyed Fish (Episode 12)

One-Eyed Fish is the 12th episode of the Mushishi anime series.

Synopsis
A Mushi Master named Nui comes across an injured boy in the forest and takes him in.

The boy eventually turns out to be the protagonist of the series.

Nui lives by the pont where some dangerous mushi dwells. She's lost one of her eyes after studying this mushi, therefore she prohibits the boy to go to the pond at night when it comes out, but the boy disobeys her and loses both his eye and his memory, his hair being turned white.

The boy is being resqued by a villager and receives a name.