Sword Art Online Alicization Invading vol 15 (Novel)

Sword Art Online Alicization Uniting Novel Volume 15 is written by Reki Kawahara.

Administrator, pontifex of the Axiom Church, has finally been defeated... but at great cost: the death of Eugeo and the loss of Kirito's mind. Six months after the desperate battle atop Central Cathedral, Alice Synthesis Thirty returns to Rulid Village with the catatonic Kirito, who now must recover in a wheelchair. The final test, long foretold by Cardinal, is about to begin...

*back cover has staining and a small tear*