Ryota Oshima went to Edo and called himself Yorozuya-Heisuke. He became Setchuan III in 1750. He traveled in various provinces, composing haiku. His disciples were said to have totaled some 3,000.
Background
Ryota Oshima was born in 1718 Shinano Province, Nagano Prefecture, Japan.
Education
He studied haiku under Rito Setchuan II since 1740.