Otsuka Koi Farm was founded in 1962, but full time Nishikigoi production started in 1984, Yoshikazu Otsuka trained for 2 years under Yokio Isa (Maruyo Koi Farm) who is his Eldest Uncle on his father’s side.
Producing many varieties from his facility, Otsuka San is probably best known for his stunning Asagi, which have won many awards, but also Goshiki Sanke and Goshiki Showa varieties.