One Summer Day summary: You are reading One Summer Day manga, one of the most popular manga covering in Webtoons, Yaoi, Adult, Mature, Smut, Comedy, Drama, Fantasy, Romance genres, written by Ker at MangaBuddy, a top manga site to offering for free. One Summer Day has 104 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add One Summer Day to your bookmark. not found...