Group Members

Ruka (BABYMONSTER) Profile, Bio, and Facts


Ruka (루카) is a Japanese trainee and a member of the upcoming girl group BABYMONSTER under YG Entertainment. She was a member of the Japanese group “Shibu3 project”.

Ruka (BABYMONSTER) Profile

Stage Name: Ruka (루카)
Birth Name: Kawai Ruka (河井瑠花)
Occupation: Trainee
Birthday: March 20, 2002
Age: 21 (in 2023)
Active Years: 7 (in 2023)
Zodiac Sign: Pisces
Height: 164/165 cm (5’4″)
Weight: na
Nationality: Japanese
Blood Type: na


– Ruka is fluent in Japanese, Korean, and English.
– She will be among the first female Japanese idols to debut under YG Entertainment, just like fellow member Asa.
– Her nickname is “Iruka.”
– She is an only child.
– Her specialty is hip-hop dancing.
– She appeared in Ueda Atsumi’s music video “Happy Halloween!”.
– She can easily reach very high octaves.
– She likes to drink milk in the morning every day.
– Ruka has been dancing since she was around six years old and often dances in her dorm in her spare time.
– Before joining YG Entertainment, Ruka was a member of the Japanese girl group Shibu3 Project.
– She was praised by the CEO of YG Entertainment, saying that he has never critiqued Ruka’s dancing.
– Before joining YG Entertainment, she was under PLATINUM PRODUCTION between 2017-2018.
– Ruka has been a trainee at YG Entertainment for 5 years.
– She is seven years older than Chiquita.
– She is the dancer and rapper in the group “BABYMONSTER.”
– She was officially introduced on February 9, 2023, as the last member of BABYMONSTER.
– She loves doing Pilates.
– LEEJUNG (her dance instructor) praised Ruka for her long experience in dancing and deep understanding of it.
– She shares the room with Haram and Pharita.
– She is the oldest member of BABYMONSTER.
– Ruka joined YG Entertainment in 2018 and auditioned with ‘Top Off’ by DJ Khaled (ft. JAY Z, Future, Beyoncé).

Social Media Handles

Instagram: rukakawai

NOTE: If you know more facts about Ruka (BABYMONSTER), feel free to submit them in the comments section! All submissions will be greatly appreciated!




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Lilian Chen

Yo! I'm Lilian, an Ahgase and a curious wordsmith on a never-ending quest for knowledge. Don't hesitate to spot any slip-ups in my work and feel free to reach out with additional facts & insights! ^^

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