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Stage NameMako
Full NameYamaguchi Mako
Country of BirthJapan
Date of BirthApr 04, 2001
Age22 years old
Height1.59 m (5'3")
Weight45 kg (99 lbs)
Blood TypeA

Not Ranked



Yamaguchi Mako (山口真子; born Apr 4, 2001), simply known as Mako, is a Japanese singer and the leader of the Japanese-Korean group NiziU under JYP Entertainment. She was a contestant of the 2020 survival show Nizi Project and became part of the final lineup of the winning group, NiziU. Mako made her debut with NiziU on Dec 2, 2020 at the age of 19.


  • Stage Name: Mako
  • Full Name: Yamaguchi Mako
  • Japanese Name: 山口真子
  • Country of Birth: Japan
  • Birthday: Apr 4, 2001
  • Height: 159 cm (5'3'')
  • Weight: 45 kg (99 lbs)
  • Blood Type: A


Mako was born on April 4, 2001 in Yame, Fukuoka, Japan. In 2017, Mako joined JYPE as a trainee. In 2020, she became a contestant of the JYPE survival show the Nizi Project where she ranked #1 in the singing and dancing tests from season 1. She eventually became one of the nine winners in the competition that formed the final lineup of NiziU, ranking no.1 among all the participants.

During season 1, episode 4 of the Nizi Project, Mako mentioned she practiced strength training to prepare for her 2PM’s I’ll Be Back dance rendition. She was complimented by JYP for having great conditioning, being fast, powerful, and light. Mako admitted that as part of her body management routine, she weighs herself first thing every morning, and does stretches, aerobics, and strength training.

Fun Facts and Trivia

  • Age trivia: Yamaguchi Mako was 19 years old when she made her debut with NiziU in 2020.
  • Mako stands at an estimated height of 159 cm (5'3'') and has an estimated weight of 45 kg (99 lbs).
  • Mako, Rima, Yuna, and Miihi were already JYPE trainees when they auditioned for the Nizi Project.
  • Mako is the member with the longest training period. She was a JYP trainee for three years.
  • Mako’s hobbies include watching dramas, studying languages, and writing in her diary
  • Mako can eat a lemon and keep a poker face.
  • Mako ranked first in the Nizi Project, both season 1 and in the season 2 finale.
  • Mako has an older sister named Yamaguchi Atsuko.
  • Mako’s representative color is red.
  • Mako passed JYP’s 13th audition in South Korea in 2017. She competed against 3,500 applicants. She was ranked #3 overall and #1 among female participants.
  • Mako dreamt of becoming a kpop idol since very little so she started studying Korean on her own when she was in elementary school.
  • During middle school, she went to a Korean restaurant called ‘Sejong’ near her home. She asked the check to teach her Korean.
  • In 9th grade she was the class president and was part of the student council.
  • When anything she writes (journal, letters, etc), she adds a smiley face or other emojis to express her feelings.


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