These are the planned debuts for Mask Entertainment! Please note that it is possible these groups will change though not drastically. More groups may be added in the future.

Spectrum
6 sides! Hello we are Spectrum!

Status: Not debuted
Fandom: Shards
•6 members
•Girl crush, powerful
•Represented by Everglow and (G)I-dle

Storybook
A new chapter! Hello we are Storybook!

Status: Not debuted
Fandom: Pages
•9 members
•School girl, cute
•Represented by Twice and Fromis_9

Hera
Like a goddess! Hello we are Hera!

Status: Not debuted
Fandom: Lotus
•5 members
•Mature, elegant
•Represented by Red Velvet and BVNDIT

Twister
Don't get it twisted! Hello we are Twister!

Status: Not debuted
•Fandom: Spiral
•8 members
•Youthful, mixed
•Represented by Stray Kids (ot8) and Ateez

Elemental
We rule the Earth! Hello we are Elemental!

Status: Not debuted
•Fandom: Earth
•5 members
•Magic, unique, youthful
•Represented by MCND and TXT

WORLDW!DE
All around! Hello we are WORLDW!DE!

Status: Not debuted
Fandom: Globe
•7 members
•Trendy, mixed
•Represented by BTS and GOT7

LEAP
Leap over! Hello we are LEAP!

Status: Not debuted
Fandom: Sprint
•4 members (2 of each gender)
•Badass, mixed
Represented by Kard

Sun&Moon
Solar Eclipse! Hello we are Sun&Moon!

Status: Debuted
Fandom: Starlight
•2 members
•Girl crush,dark
Represented by Red Velvet Irene&Seulgi

Summer

Status: Preparing for debut
Fandom: Undecided
•Chill, soft, youthful
•Represented by IU and Taeyeon

Nyxeria

Status: Preparing for debut
Fandom: Undecided
•Dance, powerful, girl crush
•Represented by Chungha and AleXa

Male 1

Status: Not debuted
Fandom: Undecided
•Chill, R&B
•Represented by Dean and Eric Nam

Male 2

Status: Not debuted
Fandom: Undecided
•Mixed, versatile
•Represented by Kang Daniel and Zico

29/06/21
Just added two new groups: Hera and WORLDW!DE. Hope you guys like them :)