If there was any point in her relationship with Nayeon that Mina could point out as the DEFINITIVE moment where the Earth shifted and everything began to change, Mina knew it was the day Nayeon kissed her for the first time.

"I didn't kiss you on your birthday, did I?" Nayeon asked her on a day in early April, both of them already knowing the answer to that question as Nayeon leaned into her for a belated birthday kiss. But what Mina didn't know was that the kiss with Nayeon would leave her stunned and blushing; a gentle lip to lip kiss that was soft and unexpected, a kiss that made her heart flutter.

Mina wanted to ask Nayeon why she had decided to suddenly kiss her on the lips out of the blue, why Nayeon had chosen to do so on a variety show that would be viewed millions of times around the world, but Mina couldn't stop the filming to ask. And by the time she found an opportunity to talk to Nayeon after the show, the moment had passed and Mina timidly decided to keep the burning question to herself.

Maybe the kiss was a joke. Maybe it was just a whim, a spur of the moment decision from Nayeon that was meant to make her laugh. But whatever the reason was behind the kiss, Nayeon was no longer just "Nayeon" after their lips touched. To Mina, Nayeon had forever become "Nayeon who kissed me on the lips and made my heart flutter."

It took almost three months for Mina to bring up the topic of the kiss with Nayeon for the first time. Twice was writing letters to each other for Once Japan--filming again, as it were--and Mina had drawn Nayeon's name for her letter. And as she carefully sifted through her recent memories of Nayeon, delicately turning each one over in her mind as she searched for a cherished memory to write about, there was one unforgettable moment that kept bubbling to the front of her mind: the kiss with Nayeon.

Mina felt her cheeks glow with a gentle burn, much like the way her heart did these days whenever she thought of Nayeon. The simple kiss seemed like such a tiny, inconsequential spark at first, but the embers in Mina'