Yang Jungwon was raised in a world where danger felt normal. As the only heir of the most powerful private security empire in the world-a company trusted by presidents, royal families, billionaires, and global leaders-he spent his life mastering combat, weapons, and survival long before he ever understood human emotions. At twenty-two, Jungwon lives with deadly skills, endless wealth, and absolutely no understanding of love. Then, during one unexpected operation, he meets her. Just for a moment. A girl with warmth in her eyes and sunlight in her smile-someone so painfully ordinary compared to the violent world he grew up in. She does not remember him. But Jungwon cannot forget her. Especially after she accidentally leaves something behind. Unable to let go of the strange feeling she awakened inside him, Jungwon secretly leaves his luxurious mansion and moves into Apartment 7N, a place near her neighborhood where he can quietly watch her from afar. What begins as curiosity slowly turns into obsession. Because Yang Jungwon has spent his whole life believing that if he wanted something badly enough, he could simply take it. Until a girl who knows nothing about him begins teaching him that love does not work that way.

Jay thought distance would be enough. Enough to quiet what he should never have felt. Enough to return his heart to the safe, familiar place it had always known. Enough to let her grow without the weight of something she was never meant to carry. Eunseo was only fourteen when she left. Still soft. Still healing. Still learning the world after everything it had taken from her. So he chose gentleness. He chose silence. He chose to love her only in the spaces where she could not see it. He told himself it would pass. But it didn't. Time moved forward, just as it was meant to. She grew older. Stronger. Braver. And somewhere between distance and return, Eunseo began to change-not into someone different, but into someone who could finally see the things she had never noticed before. The way he stayed. The way he waited. The way he never asked for anything in return. This is the story of a love that never demanded. A love that chose patience over confession. A love that waited until it was gentle enough to be understood. Because some loves are not meant to arrive all at once. Some loves arrive slowly- and stay.

Kim Sunoo promised to always protect his baby sister, Eun Seo. Growing up, she's surrounded by the ENHYPEN members, who help guide her personality and fill her world with warmth. But when Sunoo's wicked relatives threaten her, he'll need more than love-he'll need all the help he can get to keep his little sister safe.