THE MAN WHO CAME IN FROM THE SEA

The Man Who Came in From the Sea summary:

Surrounded by beautiful seas, a port town in Tohoku where octopus fishing is thriving.
Minami grew up there and works for his grandfather, Masayoshi, who runs a fishing business. Since his father disappeared without a trace, Masakichi has been his father figure.
On Minami's 20th birthday, a mysterious man appears from the sea...?
A story of bloody destiny begins!

Surrounded by beautiful seas, a port town in Tohoku where octopus fishing is thriving. Minami grew up there and works for his grandfather, Masayoshi, who runs a fishing business. Since his father disappeared without a trace, Masakichi has been his fa