AKB48 Yuko Oshima and Mayu Watanabe "Oshiri Sisters" on WPB Magazine

 AKB48 Yuko Oshima

 AKB48 Mayu Watanabe

Yuko Oshima
AKB48 Team K
Subunit: Not Yet
Birthday: October 17, 1988
Nickname: Yuko

Mayu Watanabe
AKB48 Team A
Subunit: Watarirouka Hashiritai 7 / No Name
Birthday: March 26, 1994
Nickname: Mayuyu