Five years ago, Park Yijun quietly ruined his own reputation to protect someone else.

Since then, he's kept his head down, living alone and trying to stay invisible—until he brings home a runaway chaebol heiress with nowhere else to go.

What Yijun doesn't realize is that his ordinary life stopped being ordinary long ago.

The academy's flawless student council president watches his apartment from the darkness. A famous idol has secretly moved in next door just to hear his voice through the wall. And the girls whose lives he unknowingly changed have all reached the same conclusion:

If someone else gets close to him first, they'll simply have to deal with it.