You are reading Abnormal Heartbeat manga, one of the most popular manga covering in Yaoi, Adult, Mature, Smut, Drama genres, written by Takuma at MangaBuddy, a top manga site to offering for free. Abnormal Heartbeat has 2 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 Abnormal Heartbeat to your bookmark. A side story to "Unmatching Heartbeat." As it takes place after the main story, be wary of spoilers. Keigo and Asuma went from childhood friends to lovers, so they should be at the most romantic stage of their relationship! However, Asuma does not seem very enthusiastic for some reason...?