Inside the Daean Air flight.

As the plane reached cruising altitude, the cabin gradually grew quiet.

The chatter of passengers, the whimpering of children, and the occasional chime of the call button had all subsided. Flight attendant Lee Chae-a walked slowly down the aisle, checking on the passengers.

It was then.

From a window seat, a gaze landed on her.

Chae-a passed by with a light smile, as she always did. It was a practiced expression, honed by dealing with countless passengers. However, after just a few steps, her pace faltered for a brief moment.

It was strange.

The look in that passenger's eyes kept bothering her.

There was no reason to look back. She was working, and there was no special request. They were just one of many passengers.

And yet, Chae-a eventually turned her head.

In that moment, their eyes met again.

This time, Chae-a was the first to look away.

She smiled as if nothing had happened, but the tips of her ears were flushed a faint red.

It started from that point.

Lee Chae-a began passing by that specific passenger's seat unusually often.

At first, she thought it was a coincidence.

The second time, she thought so too.

But by the third and fourth time, even Chae-a couldn't deny it.

She had become conscious of that passenger.

And perhaps—

Without even realizing it, her heart was already beginning to lean toward them.