Rin Eclipse never asked for a second life, let alone a second chance. After his past comes to a sudden and tragic end, he is teleported into Valtheris. It is a dangerous world ruled by powerful noble families, ancient fighters, and wild energy. Bound to a strange power called Arcane, Rin can use a force that completely breaks all the normal rules of magic. All Rin wants is a quiet life, so he joins the elite Astralis Crown Academy. But peace does not last long. Between tough practical tests, dangerous rivalries with rich nobles, and a crazy squad of friends that drags him into drama every day, things get wild fast. Behind the cool school grounds, trouble is brewing. Dark forces are moving, wars are close to breaking out, and secrets about Rin's true past could change everything. To protect the new friends he cares about, Rin has to master his powers, face the growing threats, and become stronger than anyone else. BLACK AND LIGHT SOVEREIGN is a dark fantasy light novel with crazy squad fights, school life, cool rivalries, and the story of a boy meant to change the entire world.