IVE’s Rei surprised fans by resuming her activities with the group on May 26, 2023. The 19-year-old singer went on hiatus on April 11 to take care of her health issues. It was right at the time when the group made their much-awaited comeback. It also broke many fans’ hearts that she could not participate in the comeback promotions.On May 26, Starship Entertainment released an official statement announcing her return to the group’s fancafe. The announcement read as follows:“Hello. This is Starship Entertainment. This announcement is regarding the future promotions of our agency artist IVE member Rei. Rei’s symptoms have recently improved greatly and she’s decided to re-join the team and resume activities. While carrying out their future schedules, we will closely check the health statuses of IVE, including Rei, and do our best to care for our artists. We ask for lots of support for Rei. Thank you.”The same day, photos of IVE’s Rei with the group for their Music Station Japan event were posted on their official Twitter account, leading to much cheer and celebration from the fandom.Cade.@centertationTHEY ARE 6 AGAIN???? twitter.com/ivestarship/st…IVE OFFICIAL@IVEstarship📸I see you're falling deep for me IVE의 'MUSIC STATION'6명의 'WAVE' 무대까지!절대 놓치지 마세요 #IVE #아이브 #JAPAN1stEP#WAVE110346📸I see you're falling deep for me 💖IVE의 'MUSIC STATION'6명의 'WAVE' 무대까지!절대 놓치지 마세요 🌊#IVE #아이브 #JAPAN1stEP#WAVE https://t.co/QTThYlV9sqTHEY ARE 6 AGAIN???? twitter.com/ivestarship/st… https://t.co/ndXmKsFGV3IVE’s Rei resumes group activities, fans celebrate the return of rapper-vocalistIVE’s Rei initially had fans concerned when she did not fully participate in the press conference of the group’s comeback, I've IVE, held on April 10 due to health issues. The next day, Starship Entertainment, the group’s agency, released a statement announcing the 19-year-old singer’s condition. The singer suffered from "abnormal symptoms such as heart palpitations and stuffiness."Follow REI with forsunreis@FORSUNREISsaw someone said that 'WAVE' really won't start without Rei and that's true NAOI REI IS BACK #WelcomeBackRei615132saw someone said that 'WAVE' really won't start without Rei and that's true 😭👏NAOI REI IS BACK #WelcomeBackReihttps://t.co/pNOPElh56cAfter over a month, IVE’s Rei gave fans a surprise by performing with the group on Music Station for their Japanese promotions of 1st EP, WAVE, on May 26. Both South Korean netizens and international fans showered the singer with love and compliments.Fans couldn’t stop mentioning how much they missed the 19-year-old singer and shared that IVE was finally complete. Many comments and tweets about ‘OT6’ (One True 6 members, referring to all the members of a particular group). The post on theqoo, a South Korean platform, celebrating IVE’s Rei’s return was viewed over 88k times.Take a look at how fans reacted to the singer’s return to group activities below:English translation of Korean netizens' comment on Rei's return on theqoo (Image via pannchoa)I AM Andy, Oh Ya Mimi@WGkomiJapanese DIVEs' reaction to Rei's return twitter.com/liz1stwin/stat…⭐️@liz1stwinレイちゃん復活 #IVE #Mステ1116レイちゃん復活😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭 #IVE #Mステ https://t.co/WH1xwF3xIDJapanese DIVEs' reaction to Rei's return twitter.com/liz1stwin/stat…Jiwonie ⺣̤̬@kimjiwonieeeThey look so complete 🫂NAOI REI IS BACK#WelcomeBackREI1951611They look so complete 😭🫂NAOI REI IS BACK#WelcomeBackREIhttps://t.co/FZqtAcyD4vstarship girls 🌊@starshipgirlzHer first live performance in almost 2 months 🥹 Welcome back Rei 🦋1340354Her first live performance in almost 2 months 🥹 Welcome back Rei 🦋❤️ https://t.co/dBEevWQYcvV@bliveyouthWELCOME BACK OUR MOCHIKEEP YOUR HEALTHY AND ENJOY ALL THE SCHEDULEThank you so much for being strong and coming back for us 🥹NAOI REI IS BACK#WelcomeBackREI5915WELCOME BACK OUR MOCHIKEEP YOUR HEALTHY AND ENJOY ALL THE SCHEDULEThank you so much for being strong and coming back for us 🥹💗💗NAOI REI IS BACK#WelcomeBackREI https://t.co/WR6O7HCVDvFollow REI with forsunreis@FORSUNREISWAVE INTRO REI-CHAN GET ITTTTTTTTTTTTTTTTTTTT NAOI REI IS BACK #WelcomeBackRei22958WAVE INTRO REI-CHAN GET ITTTTTTTTTTTTTTTTTTTT NAOI REI IS BACK #WelcomeBackReihttps://t.co/A5t4zJk4RNmila will see IVE ♡̶@ssieltimaybe, just maybe, only God knows how much I've been praying hard for you to comeback soon 🥺 and now you're finally back. Thank you for coming back our kongsuniii. DIVEs and Reikkomis waited patiently for you. Always beside you, Rei 🫶🏻 #WelcomeBackRei238maybe, just maybe, only God knows how much I've been praying hard for you to comeback soon 🥺 and now you're finally back. Thank you for coming back our kongsuniii. DIVEs and Reikkomis waited patiently for you. Always beside you, Rei 🫶🏻 #WelcomeBackRei https://t.co/aTyoEZ5A1QI AM Andy, Oh Ya Mimi@WGkomiIVE Rei's return effectt twitter.com/yujintheslayer…َ@yujintheslayerwait ive’s concert in Thailand is already sold out for the 2 days???? pls it’s just been an hour i need a ticket 🥲#ThePromQueensinBKK4wait ive’s concert in Thailand is already sold out for the 2 days???? pls it’s just been an hour i need a ticket 😭😭😭🥲#ThePromQueensinBKK https://t.co/34cpX4DMA8IVE Rei's return effectt twitter.com/yujintheslayer…I AM Andy, Oh Ya Mimi@WGkomiIVE REI's return is now one of the top articles on Yahoo Japan news.yahoo.co.jpIVE REI's return is now one of the top articles on Yahoo Japan news.yahoo.co.jp https://t.co/rA5A3Y2XFlI AM gang-aji🐶🐶@__chadAMTHE WORLD IS HEALING! Im very very very happy rn and its making me emotional im gonna study harder and ace tmr's exam to celebrate your return best girl ILY ILY!NAOI REI IS BACK #WelcomeBackRei11422THE WORLD IS HEALING!😭😭😭 Im very very very happy rn and its making me emotional😭😭😭😭 im gonna study harder and ace tmr's exam to celebrate your return best girl ILY ILY!😭😭😭NAOI REI IS BACK #WelcomeBackRei https://t.co/hRaC3HE33wMeanwhile, IVE continued to make records with their latest release. Their full-length album, I’ve IVE, became the third girl group album in Hanteo’s history to surpass one million sales in the first week of release. From April 10 to 16, the album raked in 1,102,107 sales.In April, IVE also became the first and only K-pop girl group to have two songs with perfect all-kills in 2023. The first song was their pre-release single Kitsch, and the second was I AM, the title track of their album I’ve IVE.A perfect all-kill is ranking first on all major South Korean music charts that provide real-time, daily, and weekly data, such as MelOn, Genie, Bugs, Vibe, Flo, and YouTube Music. The data for this is presented by Instiz iChart.