Mina and Sana kissed for the first time at nine years old. They were best friends who had grown up together, who took care of each other always. So when Mina skinned her knee on the playground, Sana was by her side in an instant. And when it seemed like nothing could stop Mina from crying, Sana leaned in and kissed her gently on the lips.

It was a quick kiss, chaste and innocent, softer than a marshmallow, and completely effective at stopping Mina's tears.

"What was that?" Mina asked curiously. She rubbed the tears out of her eyes as her tongue instinctively darted out to her lips after Sana's kiss, finding a faint sweetness lingering there.

"It's a marshmallow kiss," Sana declared with a smile, proud that her actions had stopped Mina's tears.

It was the first marshmallow kiss of many over the years as Mina and Sana grew up, not realizing until much older that it was unusual for friends to share kisses, not caring at all what their peers thought as teenagers when marshmallow kisses became lollipop kisses.

They were hanging out in Mina's room the first time it happened, when Sana leaned into Mina at age thirteen with a kiss that was longer than any of their previous kisses. It was an open mouthed kiss, wet and messy, like a lollipop, and no longer as innocent as a marshmallow kiss.

"Do you like it?" Sana asked shyly after they pulled apart from their first lollipop kiss. Her face was red with embarrassment as she waited for Mina's reply. "It's a lollipop kiss."

"I do like it," Mina replied instantly. The kiss was new, it was different. And to Mina, sharing the kiss with Sana somehow felt right. "I like you very much, too," Mina added as she gazed into Sana's face, surprised that it was possible for Sana's blush to become even redder.

The lollipop kiss was the ultimate kiss for Mina and Sana while they were young teenagers, often sharing the kiss with each other whenever they were alone, w