|Birthdate||April 24, 1987|
|Current Age||35 Years Old|
|Social Networks||Ameblo / Instagram / Twitter|
|Idol Career Info|
|Former Team||1st Generation|
|Debuted||August 2009 / 1st Generation|
Kouchi Masami was a member of SDN48's 1st Generation.
- She is the producer of handbag brand SMIR NASLI.
- On December 11, 2015, she got married.
- She had her first child named "Lili" on February 3, 2017.
- SDN48 1st Generation → Graduation
- Joined SDN48 as a 1st Generation member on August, 2009
- Graduated on March 31, 2012
- Kodoku na Runner (GAGAGA)
- Sado e Wataru (GAGAGA)
- Onedari Champagne (MIN・MIN・MIN)
- Everyday, Kachuusha (SDN48 ver.) (MIN.MIN.MIN)
- Yaritagariya-san (Kudokinagara Azabu Juuban duet with Mino Monta)
- Owaranai Encore (Makeoshimi Congratulation)
- SDN1 (Yuuwaku no Garter)
- Jajauma Lady
- SDN48+10! (2010)