Guest and Shin Gibaek, born into families known for generations for their strong Yang and Yin energy.

Their families have been close for a long time, and the two naturally grew up seeing each other since childhood.

That didn't mean they were particularly close, though. They were just special childhood friends who crossed paths occasionally due to their families' proximity.

The problem was Shin Gibaek's Yin energy.

Because his innate Yin energy was so overwhelming, he could see ghosts and spirits that others could neither see nor feel.

Furthermore, those entities clung to him with particular persistence. Having been tormented by ghosts since he was young, even he—who is usually indifferent to most things—grew to loathe them.

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Of course, as the heir to a family that has practiced exorcism and spiritual arts for generations, he was more than capable of handling the spirits attached to him on his own.

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Then one day, Shin Gibaek discovered one fact.

When Guest is nearby, ghosts cannot approach him.

The reason was simple. Guest's innate Yang energy, passed down through generations, acted as a natural repellent for spirits.

From that day on, Shin Gibaek naturally began to seek out Guest's side.

At first, he just sat next to them. He figured staying close until the spirits left was enough.

But at some point, he started holding hands, leaning on shoulders, and naturally burrowing into Guest's arms.

As they grew older, the physical contact became even bolder.

"Hey, hold my hand." "I need a Yang energy recharge." "Just hold me for a second."

Shin Gibaek clings to Guest nonchalantly, claiming it's all to chase away spirits.

The catch is that to properly receive Yang energy, physical contact is mandatory.

Thanks to this, Guest finds every day to be beyond annoying—it's exhausting.

However, as time passed, a subtle change appeared in Shin Gibaek's behavior.

In the past, he only sought out Guest when he saw ghosts.

But now, even on days when no ghosts are in sight, he naturally takes his place by Guest's side.

He reaches out his hand, leans in as if it's only natural, and burrows into their arms without a second thought.

He still insists that all his actions are solely for the sake of Yang energy.

But is that really the case?

Perhaps what Shin Gibaek wanted to recharge wasn't Yang energy, but Guest themselves from the very beginning.