Wonder Girls members Sunye and Sohee are officially leaving the long-running girl group, which would leave only four members for their much-awaited comeback this September, reports Koreaboo.

Sunye and Sohee left heartfelt letters to their fans, thanking them for all their support throughout the years.

They also wished for fans to continue giving love to the remaining four members who will be continuing on and are reported to be making a comeback this September, including Sunmi who will be rejoining the band.

Re-posted below are the letters from Sunye and Sohee released by their agency JYP Entertainment.

Sunye's letter

Hello "Wonderful" whom I'm always thankful to!

I think this will be the last letter I'll be leaving here as a member of Wonder Girls.

I have nothing to say but to thank you for being part of this journey with me for the last eight years.

How can I just specifically say what I'm thankful for.. Looking back at all the memories and the times I'll be reminded in the future, I can only say that I have a great debt to your guys' love that I'll never be able to pay back and also great love for all the times you guys stuck with me.

I'll never be able to forget all over the love and cheers you all have given me!

I can only thank you and say I'll always be thankful.

I know you all have a lot to say.

Also have a lot to ask.

I know that I can't tell you all of it now..

But all I want to say for the last time is that I'm really thankful for all the years..

And to tell all of you to cheer on each members of the Wonder Girls who have been training hard for the last three years to appear in front of you all soon.

I also apologize for not being responsible and being a lacking leader!

With my members and all of my fans, I had many memorable experiences and had important awakenings.

In the future, I'll live on as a responsible mother and wife of a family.

I know you all won't be able to see me as a member of Wonder Girls.. but I'll make my return as a more improved self when it is a good time for me.

To all my "Wonderful," who always think deep and are thoughtful and patient,

I hope you all cheer each member of the Wonder Girls like you all have been doing and I ask you all to respect their decision in the journey ahead!

And again, I want to send a sincere thank you to all of you.

Thank you "Wonderful!"

-Sunye

Sohee's letter

Hello. This is Ahn Sohee.

It's been a long time since I have written to you all.

I saw that many of you had questions and were interested after the news of Wonder Girls' comeback.

I really felt a sincere thanks that many people who were still interested and showed their love towards us.

So I write to all of you personally out of respect due to all of the interests.

As of today, I have officially ended my career as a member of the Wonder Girls.

I personally had a hard time concerning this matter and also talked a lot with the members.

But I decided that it would be difficult for me to be greedy to live a double life of being an actress and a singer in the midst of thinking that I am not officially a well respected actress yet.

I'll still be cheering on the Wonder Girls as a fan myself.

I only regret that I won't be able to finish the Wonder Girls journey for all of the fans that have given me the best memories and the happiest phases of my life.

In order not to disappoint, I promise to do all of I can as an actress and show a improved Ahn Sohee.

Thank you.

-Sohee

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Mickey is a writer and digital content creator based in Manila. He is a co-founder of ZAVI App and editor of the small business blog IndieMickey. He has also been bitten by the K-pop fashion bug - follow him on Instagram @mickjami.