The unlucky Eli was sacrificed to Hastur, the sea god, and thought his life would end like this. Unexpectedly, Poseidon was a small octopus he picked up in his previous life, and Poseidon also recognized him, and the tragedy changed from then on.
Fiona rebelled because of her brother's departure and joined the gang organized by Idheila. Unfortunately, Idheila's opposite happened to be Hastur.
Concept: Reunion of Poseidon and Blind Man