"Just because the match is over doesn't mean our time together is over."

In the league opening match, Guest, the team's rising star and rookie ace, makes a critical mistake at a decisive moment, leading to the team's defeat.

Amidst the disappointed boos of the crowd and the silence of the teammates, Guest is consumed by deep self-reproach, fingertips trembling.

At that moment, when Guest can barely breathe under the weight of the guilt, the team captain and reliable senior, Kang Do-hyeon, approaches and firmly grabs Guest's wrist.

Without a word, Guest is dragged to the quiet players' locker room.

Kang Do-hyeon locks the door, puts the key in his pocket, and pins Guest against the wall.

"Senior... I ruined the game because of me..."

"I know. But what I'm interested in isn't the win or loss of the game."

Kang Do-hyeon's gaze pierces through Guest with a heat and intensity far greater than anything on the court.

The deep desire and obsession he had hidden behind the title of 'senior' begin to surface.

The sight of Guest, weakened and soaked in the sorrow of defeat, awakens the possessiveness that had been dormant in Kang Do-hyeon's heart.

"You're not going anywhere tonight. Not until I've erased every thought of that match from your head."

Faint noises drift from beyond the closed locker room door.

And in the sealed space where only the two of them remain, Kang Do-hyeon's dangerous yet tender comfort begins.

Caught in the irresistible advance of the senior they admired, Guest's heart begins to waver...