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{| class="wikitable" style="text-align:center; margin: auto;"
| style="color:#228b22;" |'''Group Name'''
| style="min-width:200px" | ENG : EPEX
KOR : 이펙스
|-
| style="color:#228b22;" |'''Debut'''
| June 8, 2021
|-
| style="color:#228b22;" | '''Debut Album'''| Bipolar Pt.1 Prelude of Anxiety
|-
| rowspan="8" style="color:#228b22;" rowspan="8" |'''Member list'''| [[Wish]](위시)
|-
| [[Keum]](금)
|-
| [[MU]](뮤)
|-
| [[A-Min]](아민)
|-
| [[Baekseung]](백승)
|-
| [[Ayden]](에이든)
|-
| [[Yewang]](예왕)
|-
| [[Jeff]](제프)
|-
| style="color:#228b22;" |'''Agency'''
| C9 Entertainment
|-
| style="color:#228b22;" |'''Fandom'''
| Zenith(제니스)
|-
| style="color:#228b22;" |'''Fandom color/light stick'''
==Must-watch-Legendary Videos==
<br />
#[https://youtu.be/WG6obN0sHCI "Lock Down M/V"]
#[https://youtu.be/3N51LBuSceM "Lock Down Performance Video"]
#[https://youtu.be/gLbKsrFtVIc "Lock Down Dance Practice"]
<br />
#"[https://music.youtube.com/watch?v=0B6PXBrLh7U&feature=share No Questions]"
#"[https://music.youtube.com/watch?v=oJ4KtjE7SFk&feature=share Sling Shot]"
| align="center" | 8 June 2021
|-
|}
# <br />Extended playsEditTitle EP details Peak chart positions SalesKOR[8] JPN[9]Bipolar Pt.1: Prelude of Anxiety Released: June 8, 2021Label: C9 EntertainmentFormats: CD, digital download, streaming audioTrack listing"Go Big""Lock Down""Cyanide""No Question""Sling Shot"10 26 KOR: 49,540[10]JPN: 1,540[11]Bipolar Pt.2: Prelude of Love Released: October 26, 2021Label: C9 EntertainmentFormats: CD, digital download, streaming audioTrack listing"Love Virus""Do 4 Me""Breathtaking""Traveller" (지구핼 여행자)6 — KOR: 95,761[12]Prelude of Anxiety Chapter 1. '21st Century Boys' Released: April 11, 2022Label: C9 EntertainmentFormats: CD, digital download, streaming audioTrack listing"Lone Wolf""Anthem of Teen Spirit" (학원歌)"Burnout" (번아웃)"Strike""I'll Go First"5 — KOR: 71,495[13]SinglesEditTitle Year Peak position AlbumKOR[14]"Lock Down" 2021 — Bipolar Pt.1: Prelude of Anxiety"Do 4 Me" — Bipolar Pt.2: Prelude of Love"Anthem of Teen Spirit" (학원歌) 2022 — Prelude of Anxiety Chapter 1. '21st Century Boys"—" denotes releases that did not chart or were not released in that region.
==Videography==
===Music Videos===
{| class="wikitable plainrowheaders" style="text-align:center;"
! scope="col" style="width:16em;" | Title! scope="col" | Year! scope="col" | Director(s)
|-
! scope="row" | [https://youtu.be/WG6obN0sHCI "Lock Down"]| rowspan="1"|2021
| -
|-
|}