Aiba Masaki joined Johnny’s Jimusho on 1996-08-15.
  

On these dates, Aiba celebrated his anniversary in being part of Johnny’s Jimusho.
1997-08-15: 01st year anniversary
1998-08-15: 02nd year anniversary
1999-08-15: 03rd year anniversary
2000-08-15: 04th year anniversary
2001-08-15: 05th year anniversary
2002-08-15: 06th year anniversary
2003-08-15: 07th year anniversary
2004-08-15: 08th year anniversary
2005-08-15: 09th year anniversary
2006-08-15: 10th year anniversary
2007-08-15: 11th year anniversary

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