Half-Demons on the Borderline summary: You are reading Half-Demons on the Borderline manga, one of the most popular manga covering in Webtoons, Shounen, Action, Drama, Fantasy genres, written by J.sun at MangaBuddy, a top manga site to offering for free. Half-Demons on the Borderline has 30 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 Half-Demons on the Borderline to your bookmark. To bring his mother back to life, Saeron dedicated his life to finding the Twilight Mirror, a legendary artifact said to grant any wish. But Erie, a powerful half-demon, stands in his way. Though Erie easily defeats him, she lets him pass, certain the mirror's barrier will stop him. To her shock, Saeron breaks throughonly for the mirror to shatter, its shards scattering across the land. Now, bound by fate, Saeron and Erie must retrieve the lost pieces and restore the Twilight Mirror's power.