#5 Kaisei Arai
- Date of birth/Age: Jan 17, 2006 (18)
- Place of birth:
Fukuoka, Fukuoka
- Citizenship:
Japan
- Height: 1,72 m
- Position: Defender
Player data
Facts and data
Name in home country:
荒井 海聖
Date of birth/Age:
Jan 17, 2006 (18)
Place of birth:
Fukuoka, Fukuoka 
Height:
1,72 m
Citizenship:
Japan
Position:
Defender
Foot:
left
Current club:
![FC Imabari U18]()
FC Imabari U18
Joined:
-
Contract expires:
-
Height:
1,72 m
Citizenship:
Japan
Position:
Defender
Foot:
left
Current club:
FC Imabari U18
Joined:
-
Contract expires:
-