Simplify the following text for a Grade 5 native English-speaking person.
Original: Haruki Seto ( born March 14 , 1978 in Toyama , Japan ) is a Japanese football player who is playing for Singapore 's S League side Geylang United FC .
Simplified: Haruki Seto ( born 14 March 1978 ) is a Japanese football player . He plays for Geylang United .