Simplify the following text for a Grade 5 native English-speaking person.
Original: Chikara Fujimoto ( born October 31 , 1977 in Yamaguchi ) is a Japanese footballer who plays for Omiya Ardija .
Simplified: Chikara Fujimoto ( born 31 October 1977 ) is a Japanese football player . He plays for Omiya Ardija .