2011[]
October[]
- Kenkyuusei (1st Generation)
2012[]
March[]
July[]
September[]
- Kenkyuusei (2nd Generation)
November[]
2013[]
April[]
November[]
- Kenkyuusei (3rd Generation)
2014[]
February[]
- Kenkyuusei (1st Draft)
April[]
2015[]
May[]
June[]
- Kenkyuusei (2nd Draft)
2016[]
May[]
August[]
- Kenkyuusei (4th Generation)
2017[]
May[]
November[]
2018[]
April[]
- Kenkyuusei (3rd Draft)
November[]
- Kenkyuusei (5th Generation)
December[]
2019[]
May[]
2021[]
January[]
May[]
2022[]
June[]
- Kenkyuusei (6th Generation)