Girl Groups

Hatchi! (tripleS) Members Profile & Facts

Hatchi! (tripleS) Members

∞!, pronounced as “Hatchi” is an upcoming eight-member Japanese subunit of tripleS. The group members consist of Mayu, Kim YooYeon, Kotone, Kim ChaeYeon, Lee JiWoo, Park ShiOn, Kim ChaeWon, and Kim SooMin. They are expected to debut on November 20, 2024 with the single album, “Untitled.”

Hatchi! (tripleS) Profile

Debut N/A
Active Years 2024–present
Hatchi! (tripleS) Members Mayu, Kim YooYeon, Kotone, Kim ChaeYeon, Lee JiWoo, Park ShiOn, Kim ChaeWon, Kim SooMin
Genre N/A
Status Pre-debut
Label MODHAUS
Oldest Member Yooyeon
Youngest Member SooMin
Former Member N/A
Fandom Name WAV (웨이브)

Hatchi! (tripleS) Facts:

– The subunit’s name, ∞!, is pronounced as “Hatchi” and it means the number “8” in Japanese which emphazies infinity and the number of members in the group.
– ∞! (Hatchi!) is tripleS’s first non Korean subunit and they plan to promote until 2025 after which the subunit will undergo a re-organization.
– Their official greeting is “Hello. We are ∞! (Hatchi!).”
– The subunit is planned to be rotational and new members would join the unit in place of others.
– The lineup of the subunit will remain for a year before a new lineup is decided.

Website: @triplescosmos.com

SOCIAL MEDIA HANDLES
Instagram: @triplescosmos
Youtube: @tripleS official
Twitter: @triplescosmos
TikTok: @triplescosmos
Bilibili: @tripleS_official
Discord: @triplescosmos
Weibo: @tripleScosmos
Xiaohongshu: @tripleScosmos

Streaming Platform Links
Genie | Spotify | Bugs | Melon | Apple Music | Deezer

Hatchi! (tripleS) Members Profile

1. Mayu

Mayu Hatchi! (tripleS)
Mayu
Stage Name Mayu (마유) 
Birth Name Kōma Mayu (髙麗 真友)
Korean Name Ko Mayu (코마유)
Position Leader
Birthday May 12, 2002
Active Years 2022–present
Age 22 (in 2024)
Zodiac Sign Taurus
Height ∼156 cm (5’1″)
Weight N/A
Nationality Japanese
Blood Type B
MBTI ENFJ
Representative Emoji Bunny (🐇)
Representative Color Vivid Tangerine

Mayu Facts:

– Mayu was the pre-selected member of Hatchi! along with ShiOn by the company.
– Her favorite TWICE song is “Feel Special”.
– She likes omurice over takoyaki.
Read more facts about Mayu

2. Kim Yooyeon

Kim YooYeon Hatchi! (tripleS)
Kim YooYeon
Stage Name Kim Yooyeon (김유연)
Birth Name Kim Yooyeon (김유연)
Position Visual
Birthday February 9, 2001
Active Years 2021–present
Age 23 (in 2024)
Zodiac Sign Aquarius
Height 165 cm (5’4″)
Weight 46 kg (101 lbs)
Nationality Korean
Blood Type B
MBTI INTP
Representative Emoji Rabbit (🐰)
Representative Color  Opera Pink

Kim Yooyeon Facts:

– Yooyeon joined Hatchi! as the third member of the group.
– She is most confident in baking sweet potatoes.
– Her favorite IU songs are “Someday” and “Heart”.
Read more facts about Kim Yooyeon

3. Kotone

Kotone Hatchi! (tripleS)
Kotone
Stage Name Kotone (코토네/コトネ/琴音)
Birth Name Kamimoto Kotone (카미모토 코토네/カミモト コトネ/嘉味元 琴音)
Korean Name Park Tone (박토네)
Position Main Dancer, Rapper
Birthday March 10, 2004
Active Years 2022–present
Age 20 (in 2024)
Zodiac Sign Pisces
Height 161.5 cm (5’3″)
Weight N/A
Nationality Japanese
Blood Type AB
MBTI ENFP
Representative Emoji Seal(🦭)
Representative Color Golden Yellow

Kotone Facts:

– Kotone was the fourth member to join the subunit.
– Her talents include playing kendama and quickly putting in eye drops.
– Her favorite LOONA song is 열기 (Heat).
Read more facts about Kotone

4. Kim Chaeyeon

Kim ChaeYeon Hatchi! (tripleS)
Kim ChaeYeon
Stage Name Kim Chaeyeon (김채연/キム・チェヨン/金彩妍)
Birth Name Kim Chaeyeon (김채연)
Position N/A
Birthday December 4, 2004
Active Years 2022–present
Age 20 (in 2024)
Zodiac Sign Sagittarius
Height 170 cm (5’6”)
Weight 52 kg (114 lbs)
Nationality Korean
Blood Type B
MBTI ESFP-A
Representative Emoji Peach (🍑)
Representative Color Atlantis Green

Kim Chaeyeon Facts:

– Chaeyeon joined as the fifth member of Hatchi!.
– She said that she isn’t good at concentrating.
– She can be described as Energetic, cheerful, and positive.
Read more facts about Kim Chaeyeon

5. Lee Jiwoo

Lee JiWoo Hatchi! (tripleS)
Lee JiWoo
Stage Name Lee Jiwoo (이지우)
Birth Name Lee Jiwoo (이지우)
Position Main Vocalist
Birthday October 24, 2005
Active Years 2021–present
Age 19 (in 2024)
Zodiac Sign Scorpio
Height 172 cm (5’7”)
Weight 48 kg (105 lbs)
Nationality Korean
Blood Type O
MBTI ENFP
Representative Emoji Bear (🐻)
Representative Color Lemon Yellow

Lee Jiwoo Facts:

– Jiwoo was the seventh member to join the subunit.
– She dislikes the sound of an alarm.
– She is a fan of STAYC.
Read more facts about Lee Jiwoo

6. Park ShiOn 

Park ShiOn Hatchi! (tripleS)
Park ShiOn
Stage Name Park ShiOn (박시온)
Birth Name Park Shi On (박시온/パク·シオン)
English Name Sophie Park
Position Main Vocalist
Birthday April 3, 2006
Active Years 2023–present
Age 18 (in 2024)
Zodiac Sign Aries
Height N/A
Weight N/A
Nationality Korean
Blood Type A
MBTI ENFP
Representative Emoji 🍞 (Bread)
Representative Color Violet Red (#FF428A)

Park ShiOn Facts:

– ShiOn was pre-selected to be in the subunit by MODHAUS along with Mayu.
– Her specialties include videography, decorating, and imitating vocals.
– She likes the character Himawari from Crayon Shin-chan.
Read more facts about Park ShiOn

7. Kim ChaeWon

Kim ChaeWon Hatchi! (tripleS)
Kim ChaeWon
Stage Name Kim Chae Won (김채원 / キム・チェウォン / 金采湲)
Birth Name Kim Chae Won (김채원)
Position N/A
Birthday May 2, 2007
Active Years 2023–present
Age 17 (in 2024)
Zodiac Sign Taurus
Height N/A
Weight N/A
Nationality Korean
Blood Type AB
MBTI INTP
Representative Emoji 🎀 (Pink bow)
Representative Color Light Wisteria (#C7A3DF)

Kim ChaeWon Facts:

– ChaeWon was the eighth and final member to join the subunit.
– She loves to eat malatang.
– She practices the martial arts teukgong moosool.
Read more facts about Kim Chae Won

8. Kim Soomin

Kim SooMin Hatchi! (tripleS)
Kim SooMin
Stage Name Kim Soomin (김수민)
Birth Name Kim Soomin (김수민)
Position Vocalist, Maknae
Birthday October 3, 2007
Active Years 2022–present
Age 17 (in 2024)
Zodiac Sign Libra
Height 160 cm (5’3″)
Weight N/A
Nationality Korean
Blood Type AB
MBTI ENTP
Representative Emoji Squirrel (🐿️)
Representative Color Cadillac Pink

Kim Soomin Facts:

– Soomin was the sixth member to join Hatchi!.
– She doesn’t like mushrooms.
– She enjoys watching action and romance movies.
Read more facts about Kim Soomin

Note: Which Hatchi! (tripleS) member caught your eye first? Let us know in the comments down below!

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WRITTEN BY

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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