|Birthdate||February 25, 1986|
|Current Age||37 Years Old|
|Social Networks||Ameblo / Instagram / Twitter / YouTube|
|Idol Career Info|
|Former Team||1st Generation|
|Debuted||March 2009 / SKE48 2nd Generation|
Tezuka Machiko, also known as Maeda Eiko, was a member of SDN48's 1st Generation.
- Her birth name is Tezuka Machiko, while her stage name during her time as an SKE48 member was Maeda Eiko (前田栄子). When she jioned SDN48 she went by her real name once again.
- She was in the idol group Seifuku Koji Iinkai in 2002 as a 9th generation member.
- She was a gravure model in 2004 under the name Ourei Harada (原田桜怜), and retired in 2007. After retiring, she had a breast reduction surgery.
- She was a newscaster for cellphone video site "Ohaten" from January 2009 to April 2009.
- Currently, she is a producer for and runs a gravure idol café and group (Guradoru Bunkasai).
AKB48 Senbatsu Elections
- 1st Senbatsu Election - Not Ranked
- Team KII → SDN48 1st Generation → Graduation
- Joined SKE48 on March 2009 (2nd Generation)
- Formed Team KII on May 25, 2009
- Transferred to SDN48 on December 1, 2009 (Promoted from Understudy: May 15, 2010)
- Graduated from SDN48 1st Generation on March 31, 2012
- Kodoku na Runner (GAGAGA)
- Sado e Wataru (GAGAGA)
- Tengoku no Door wa Sankaime no Bell de Aku (Ai, Chuseyo)
- Abazure (MIN.MIN.MIN) (Center)
- Yaritagariya-san (Kudokinagara Azabu Juuban duet with Mino Monta)
- Ue Kara Natsuko (Makeoshimi Congratulation)
- Owaranai Encore (Makeoshimi Congratulation)
- KII1 (Aitakatta)
- Namida no Shounan
- Koi no PLAN
- Rio no Kakumei
- SDN48+10! (2010)