Friendly Rivalry summary: You are reading Friendly Rivalry manga, one of the most popular manga covering in Drama, Mystery, Psychological, School life genres, written by Chae-Yun Song, Shim Jaeyeong, 송채윤 at MangaBuddy, a top manga site to offering for free. Friendly Rivalry has 52 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 Friendly Rivalry to your bookmark. Seulgi was no.1 in her old suburban school. Now, having transferred to the prestigious Chaehwa Girls' High in Seoul, she must engage in fierce, friendly competition with her rich and talented rival Jay.