On the Quiet

On a cold winter day, college student Ikewaki Kou is unable to enter his apartment and is offered shelter by his neighbor, Shiraishi Hiroya. Inside, he is surprised by the messy condition of the room, which contrasts with Shiraishi's usual neat appearance. Despite this, Kou feels a quiet excitement during their conversation, noting Shiraishi's shy and genuine manner. Tension arises when Kou begins to suspect that Shiraishi may have feelings for his older brother.