Singer and actress, Kang Mina recently took to her Instagram story to chat with her fans where she bragged about a sweet love of her life.

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| @_happiness_o/Instagram

Kang Mina answered questions she received from fans, one of which asked her what she does when she can’t fall asleep at night.

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| @_happiness_o/Instagram

And in response, Kang Mina confessed that she calls a special someone and even provided a screenshot of their log as proof.

I chat for 8 hours on the phone…

— Kang Mina

That person being none other than DIA‘s Jung Chaeyeon.

With Unnie, Jung Chaeyeon.

— Kang Mina

Not many fans realized that the two stars were close enough to speak for 8 hours on the phone at a time.

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| @_happiness_o/Instagram

And it’s hard not to love.

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| @_happiness_o/Instagram

In addition to this cute revelation, one fan expressed his love for Kang Mina during her time with I.O.I.

Noona, I loved you when you were with I.O.I. It sounds like you had a hard time though. Thank you.

— Kang Mina

To which Kang Mina expressed her gratitude.

Thank you. Every time I read or hear something like this, I’m so happy. It really gives me strength.

— Kang Mina

Both Kang Mina and Jung Chaeyeon were a part of I.O.I, which was formed through Produce 101 Season 1.

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| @_happiness_o/Instagram

And their friendship evidently remains strong to this day.