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Ruka Aizawa

Also known as 相澤瑠香, Rukachi (るかち)

Born
May 22, 1999age 27
height
5'5" (or 165 cm)
body type
Slim
nationality
Japanese

Career

Active 2014 – present

2012
2013
2014
Debut
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Present

Biography

About Ruka Aizawa

Edited by the community

Ruka Aizawa first stood out as a founding member of sendai☆syrup, a group she helped start at just 15 years old in 2014. Her early start set the stage for a career that would see her rise within the Japanese idol scene, and she remained with the group until her graduation in September 2016. From there, she took on a new challenge as a 1st Generation member of Last Idol and its unit, Good Tears, further solidifying her presence as a J-pop idol.

Born on Saturday, 22nd of May 1999, in Miyagi, Japan, she is 27 years old and has been active for over 12 years. With brown hair, brown eyes, and a slim build standing at 5'5", she carries a classic idol look. Her Japanese nationality and Asian ethnicity are central to her identity as she continues to perform. She maintains an Instagram presence with around 8,000 followers, sharing glimpses of her life and career.

Record

Profile details

Personal

Years Active
2014-present (started around 15 years old; 12 years active)
Birthplace
Miyagi, Japan
Ethnicity
Asian

Body

Hair Color
Brown
Eye Color
Brown

Extra

Instagram Followers
8k (as of May 2026)

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Frequently asked

How long was Ruka Aizawa with sendai☆syrup?

She was a founding member from 2014 until her graduation in September 2016, about two and a half years.

What is significant about her role in Last Idol?

She was a 1st Generation member, which places her among the original lineup of both Last Idol and its unit Good Tears.

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