Those who submit STAFF changes, please provide an official source that shows the transfer/release. Transfermarkt isn't always trustworthy when it comes to staff.
45032545 · Contracted to Kashiwa Reysol
Riki Seino is a 57 year old Sports Scientist (U18 Team) from Japan.
They are currently contracted to Kashiwa Reysol earning £1K per week.