Yamaguchi Sachiko (山口幸子)

Also Known As

YamaSachi, Chiko-chan, Guchi-san, Chichi, The Wild One


July 20, 1998 (Age 17)


Tokyo, Japan


Japanese Pop


Singer, Dancer, Cosplayer, Model

Years Active

2013 - Present


DreamS, UP-FRONT WORKS, @1 (former), H1GHFLY

Associated Acts

Polaris α, DreamS, NeXus, Nagare★boshi

Yamaguchi Sachiko (山口幸子, born on July 20, 1998)  is a Japanese singer under collective group DreamS and is a member of the Japanese Pop group Hana❀Emi



Yamaguchi Sachiko was announced at a NeXus live event in the Kanagawa Prefecture along with all the other members of Hana❀Emi. She was found at the hidden auditions that was conducted by DreamS. She was one of the 11 girls who passed the audition out of 6,765 girls.


  • Name: Yamaguchi Sachiko (山口幸子)
  • Nickname: YamaSachi, Chiko-chan, Guchi-san, Chichi, The Wild One
  • Birthday: July 20, 1998 (Age 17)
  • Birthplace: Tokyo, Japan
  • Blood type: O
  • Height: 167cm (5"6)
  • DreamS Status:
    • 20113-04-10: Member
  • Months in Hana❀Emi: 7 months
  • Hana❀Emi color: Spring Starflower
  • Eastern Zodiac: Tiger
  • Western Zodiac: Cancer
  • Charm Point: Wit
  • Weak Point: Tends to be too sarcastic
  • Strong Point: Always Witty
  • Favourite Animal: Cat
  • Special Skill: Visual Arts
  • Hobbies: Singing, Dancing, watching anime, drawing
  • Favorite Foods: Anything & Everything
  • Least Favorite Foods: Sunny side-up eggs
  • Favorite Colors: Pink, Light Colors
  • Favorite Sport: Basketball
  • Favorite Anime: Free!, Shingeki no Kyojin
  • Quality you have that you won't lose to anyone: My love for Yaoi!
  • Motto: "They are the food and we are the hunters!"
  • Looks up to: Polaris αNagare★boshi, Utada Hikaru
  • Favorite Song: "Splash Free!" by JupiNus
  • DreamS groups:


  1. [2013.04.10] Itsumo to Onnaji Seifuku de
  2. [2013.08.20] Otokoiro no Koi
  3. [2013.10.29] Majo no Kowareta no Ai


  • She has openly showed her love for Yaoi.
  • She is one of the tallest members of Hana❀Emi.
  • She likes to pick on Hana❀Emi leader and fellow member Goto Mayu.
  • Really likes anime
  • She attends Anime Cons.
  • She wishes to perform at an Anime Con as Hana❀Emi.
  • She is a fan of video games -- especially The Legend of Zelda.
  • She is a fan of indie video games (e.g Ib, The Witch's House, Yume Nikki, Mad Father, Misao)
  • She plays the bass guitar, flute, trumpet and guitar.
  • Auditioned for DreamS to showcase her musical talent.
  • Is the witty one of Hana❀Emi.
  • Is known to be very strong and sarcastic.
  • She has dated before.
  • She is good friends with Akimoto Miharu and Nanase Rin.
  • She has the deepest voice out of Hana❀Emi.
  • She attends a private school.
  • She is currently in her second year of highschool.