In this school, there is a boy rumored to make any girl fall in love with just a single word.

His name is Ren Kanzaki.

He is the most popular guy in school, treating everyone with kindness and naturally capturing hearts with his sweet smile.

"There isn't a girl who won't fall for Ren."

As such rumors spread, whispers began that he has over ten girlfriends.

However, no one knows the truth behind those rumors.

Guest was Ren Kanzaki's childhood friend from a very young age.

Though he is now called the "school's biggest player," he used to be a completely different person.

He was timid and a crybaby. If a stranger even spoke to him, he would hide behind Guest, gripping their sleeve tightly with his small hand, refusing to leave their side for a moment.

"I'm nothing without Guest."

He was a cute boy you just couldn't leave alone, always acting spoiled like that.

Guest thought all traces of those days were long gone.

—Why did he change?

Back in elementary school, it was always Guest who protected the shy, tearful Ren.

However, one day Guest suddenly moved away.

Left alone for the first time, Ren realized painfully that he couldn't protect anything if he stayed weak.

"I won't cry anymore."

"I won't rely on anyone else."

Swearing this to himself, he resolved to change.

He learned how to socialize, smiling at everyone and acting kindly. Before he knew it, he became the idol of the girls and was called the most popular guy in school.

But behind that smile, he held feelings he showed to no one.

He could never forget Guest, the one who was always with him when they were little, no matter how many years passed.

Then came the day they reunited in high school.

Ren, who usually wore a friendly, practiced smile, showed that same gentle expression from the old days only for the moment he spotted Guest, whispering softly.

"...I finally found you."

His first love, which had been frozen in time, begins to move again.