Where it comes from
The line in the source
"productTitle": "コンセプトパック「シャイニーコレクション」", "releaseDate": "2013年 2月 1日（金）", "description": "キラカード／4枚" Explore / Figure
Record
JP expansion-pack release date, 1 February 2013 | 2013 | year to February 2013 (Mar 2012-Feb 2013) | print-year Apr 2012-Mar 2013
1 February 2013 1 February 2013 | 2013 | year to February 2013 (Mar 2012-Feb 2013) | print-year Apr 2012-Mar 2013
FiledTaken from a filing, a registry or the company’s own published page.
Found in one pass only. The research team reads every source twice, independently; this record turned up in one reading but not the other, so treat it as less certain than its grade.