Childhood friends Ginu and Yubin live in separate apartments in separate buildings right next to each other—so close, in fact, they can talk to each other and see into each other's apartments through their windows. But Yubin's long-held secret is revealed one day when Ginu sees him doing something naughty through the window... (Source: Lezhin Comics)

Window to Window was originally serialized on Lezhin Comics Webtoon for 41 chapters from October 20, 2016, to September 15, 2017. The series was then removed from Lezhin Comic Webtoon and moved to Bomtoon, where 6 side story chapters were serialized from September 30, 2020, to February 10, 2021. The series was published digitally in English by Lezhin Comics from March 22, 2017, to December 5, 2017, and the side stories from March 23, 2021, to April 27, 2021.