17-18 April 2024, Grand Prince Hotel Takanawa, Japan

25-26 April 2023, Grand Prince Hotel Takanawa, Japan

25-26 April 2022, Online

19-21 April 2021, Online

11 and 14-16 September 2020, Online

15 and 16 May 2019, Grand Prince Hotel New Takanawa, Japan

30 and 31 May 2018, Tokyo Prince Hotel, Japan

16 and 17 May 2017, Grand Prince Hotel New Takanawa, Japan

25 May 2016,Hotel Chinzanso Tokyo,Japan

9 and 10 June 2015,Hotel New Otani,Tokyo,Japan

26 and 27 March 2014, Tokyo Prince Hotel, Tokyo, Japan

26 and 27 February 2013, Keio Plaza Hotel, Tokyo, Japan

14 and 15 February 2012, Keio Plaza Hotel, Tokyo, Japan

7 and 8 March 2011, Keio Plaza Hotel, Tokyo, Japan

3 and 4 March 2010, Keio Plaza Hotel, Tokyo, Japan

18 and 19 February 2009, Keio Plaza Hotel, Tokyo, Japan

20, 21 and 22 February 2008, Keio Plaza Hotel, Tokyo, Japan

14-15 February 2007, Keio Plaza Hotel, Tokyo, Japan

8 and 9 March 2006, Keio Plaza Hotel, Tokyo, Japan

23 and 24 February 2005, Keio Plaza Hotel, Tokyo, Japan

25 and 26 February 2004, Keio Plaza Hotel, Tokyo, Japan

26 and 27 February 2003, Keio Plaza Hotel, Tokyo, Japan

30 and 31 January 2002, Capitol Tokyu Hotel, Tokyo, Japan

22 and 23 February 2001, Hotel New Otani, Tokyo, Japan

17 and 18 February 2000, Hotel New Otani, Tokyo, Japan