H1-Key Members Profile

하이키

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Music updateMar 4, 2026
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Name:
H1-Key
Hangul:
하이키
Fandom:
M1-KEY
Debuted On:
Jan 5, 2022
Generation:
Gen 4 | 2018 - 2022
Composition:
Female
Category:
Standard Group
Origin:
South KoreaSouth Korea
About H1-Key
H1-KEY is a four-member South Korean girl group under Choi Creative Lab. They made their debut on January 5, 2022, with the debut digital single "Athletic Girl" The group's name, H1-KEY is inspired by the word "high-key" and points to a healthy and confident beauty. It also contains positive meanings such as "very", "really", "clearly", "in the open" and "intense" M1-KEY (Fandom Name) Explanation: H1-KEY fans are their keys, which they will carry with them wherever they go to tour everything together. On September 5, 2023, H1-KEY got their first win with "SEOUL (Such a Beautiful City)"
Music Label
Choi Creative Lab
Created By
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MandzMahNwjns
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Latest updates
What changed recently
Music updateMar 4, 2026
New Release
Tap to open this update and jump to the relevant section.

H1-Key Members

H1-Key members are Seoi, Riina, Hwiseo and Yel.

Member Heights
Tallest
Yel
Yel175 cm / 5ft 9in
Shortest
Seoi
Seoi169 cm / 5ft 7in
Avg Height171.3 cm / 5ft 7in
Avg Gap2.0 cm / 0.8 in
Insights
Much tallerPercentile 98

Much taller: this group is around the 98th percentile for average height among other girl groups.

The average height of this group is 2.7 in / 7.0 cm taller than other girl groups.

Compared with 193 other girl groups with enough height data.
Seoi
Seoi
VS
Riina
Riina