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Book synopsis

He was given a C-grade death sentence. The world just doesn't know he's an SSS-Rank assassin.

Kaito Ren died once, and in his second life, he has just received a public humiliation that marks him as unremarkable and invisible: a C-grade awakening. In a world obsessed with power, he is instantly dismissed by the elites. But the world's most powerful people are about to spend a year underestimating the single most dangerous person in it-and Kaito intends to let them.

Behind his low-grade cover lies a lethal hidden truth. Kaito is an SSS-Rank Shadow Assassin equipped with a broken luck talent that allows him to pull legendary loot from every single kill.

Yet, keeping this quiet life protected costs him everything. His low grade loses him his girlfriend, his reputation, and his peace of mind. As whispers of his true power grow louder, staying invisible begins to cost more than just his pride.

When the academy's Trial Dungeon promises a fast track into the powerful global guilds, Kaito tries to stay away. But the dungeon has other plans. The monsters inexplicably scale to his true, hidden power, threatening to expose his identity to the world. Now, only Seris Valen, the academy's formidable Battle Mage, seems to see past his C-Grade label to the truth.

As the dungeon's depths close in, Kaito faces a brutal choice: remain in the shadows and risk everything, or reveal his true power and shatter the delicate balance of his second chance.

How far will he go to keep his deadly secret?

Perfect for fans of progression fantasy, LitRPG, weak-to-strong tropes, and hidden-power protagonists, Shadow Grade Zero is a gripping ride through dungeons, guilds, and lethal secrets.

Book details

• Full title: Shadow Grade Zero
• Author: Sable Vane, Sable Vane
• Language: English
• Binding: Paperback
• Number of pages: 384
• EAN: 9798188092436
• ID: 53742522
• Publisher: Independently published
• Weight: 514 g
• Dimensions: 229 × 152 × 20 mm
• Date of publishing: 20. July 2026

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