I Couldn't Help It... With the Man Next Door

The man next door seems like the perfect kind gentleman—kind-hearted and warm. The protagonist has always admired him from afar, believing someone like him was out of reach. But one day, strange sounds from beyond the thin apartment door lead to an unexpected encounter. What begins as curiosity quickly turns into a complicated and intimate relationship with the older neighbor.

Original Webtoon:
Naver Series