Darkin｜Leos Vincent, a man of high military status, now retired at the age of 30 due to medical complications. Accidentally falling into the darkness of the Abyss, he must survive with the help of his limited but masterful use of magic. Reinforcement, Gradation Air, and Alteration. He was a renowned sniper, cheered in the west and east, despised in the south and north. He has killed many, yet he still holds a white soul. The Abyss may taint it black. Get out, before the Abyss decides for you.