[['HELLO' Chapter 1. Hello, Stranger| HELLO Chapter 1. Hello, Stranger ]]
미니 1집
2019.07.23 | [['HELLO' Chapter 2. Hello, Strange Place| HELLO Chapter 2. Hello, Strange Place ]]
미니 2집
2019.11.19 | [['HELLO' Chapter 3. Hello, Strange Time| HELLO Chapter 3. Hello, Strange Time ]]
미니 3집
2020.10.27 | [['HELLO' Chapter Ø. Hello, Strange Dream| HELLO Chapter Ø. Hello, Strange Dream ]]
미니 4집
2021.02.02 |
[['OK' Prologue : Be OK| 'OK' Prologue : Be OK ]]
정규 1집
2021.08.17 | [['OK' Episode 1 : OK Not|{{{#!wiki style="display: inline-block; padding: 2px 3px; border-radius: 3px; font-size: .833em; background: #941b0c; color: #fea712" 'OK' Episode 1 : OK Not]] {{{#!wiki style="display: inline-block; margin: 5px 0; padding: 1px 2px; border-radius: 4px; font-size: .648em; border: solid 1px #754d08; color: #fea712" 미니 5집 2022.08.22 | [['OK' Episode 2 : I'm OK|{{{#!wiki style="display: inline-block; padding: 2px 3px; border-radius: 3px; font-size: .833em; background: #6B64AE; color: #fff" 'OK' Episode 2 : I'm OK]] {{{#!wiki style="display: inline-block; margin: 5px 0; padding: 1px 2px; border-radius: 4px; font-size: .648em; border: solid 1px #3e3f71; color: #938ec4" 미니 6집 2023.05.29 |